solve 3x - 2x + 4 = 5x - 4x - 8

Answers

Answer 1
first add "like terms" (terms that have the same exponent for the x variable):
3x-2x+4=5x-4x-8
x+4=x-8
actually, it is not possible for these to be equal. Because if you subtract x from both sides you get 4=-8 which is not true. did you forget to write an exponent or something in the equations?

Related Questions

Factor 81 – 27p..........................................................

Answers

In order to factor the equation we must first find the highest number divisible by both 81 and 27p. In this case both 81 and 27 are divisible by 27. Once you take 27 from both 81 and 27p you are left with (27)(3-p)...................

12 oz for $1.39 or 14 oz for $1.49

Answers

The shared variance is (coefficient of determination) is .36.

what kinds of face shapes are the results from cuts made from parallel and perpendicular to the bases of right rectangular prisms and pyramids

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A cross section is the 2D shape that fallouts from cutting a 3D with a plane.To classify the face shape from cuts made parallel and perpendicular to the bases of right dimensional figures, we need to know first what parallel cuts are. These cuts will form the shape of the base while perpendicular cuts will take the form of the lateral face. Cuts at an angle through the right rectangular prism or pyramid will make a parallelogram.

1. In the middle of the page, draw two circles an inch apart.
2. Draw a slight arch going up from the right edge of the left circle to the left edge of the right circle.
3. Draw a diagonal line out from the left edge of the left circle. This line should go up.
4. Draw a diagonal line out from the right edge of the right circle so that it is parallel to the line just drawn from the left circle.
Which of the following does your image most resemble?
Exit Test
A a can
B glasses
C a car
D a vase

Answers

The answer is b, glasses

Find the slope of a line through (-1,1) and (0,4)

Answers

Use the slope formula.

m = slope = (y2 - y1)/(x2 - x1)

m = (4 - 1)/(0 - (-1)) = 3/1 = 3

35 points please help me i will make you the brainliest

Answers

Hey You!

The images are blurry and I cannot make out most of the questions. I'll solve as many as I can see!

27. ANSWER:

Students A and D have a combined score of 0 because 4 + -4 = 0
___________________

28. SOLUTION/ANSWER:

STEP 1: 12.40 - 0.72 = 11.68

STEP 2: 11.68/2 = 5.84

Answer: Each souvenir cost $5.84.
___________________

29. SOLUTION/ANSWER:

(-68) - 214 = -282

Answer: The lowest elevation in California is -282 feet.

___________________

33. SOLUTION/ANSWER:

60/3 = 20

Answer: The diver's change in depth was -20 per min.

___________________

34. SOLUTION/ANSWER:

-43 - (-34) = -9. The difference between the two is -9.

___________________

35. SOLUTION/ANSWER:

-64.4 + (3.22) = -67.62

Answer: Equals -67.62

___________________

37. SOLUTION/ANSWER:

3.375 = 3 3/8 as a mixed number and 27/8 as an improper fraction.

Answer: 3 3/8 (or 27/8).

___________________

38. SOLUTION/ANSWER:

3 ÷ 5 = 0.6

5 + 0.6 = 5.6

Answer: 5 3/5 = 5.6

____________________

39. SOLUTION/ANSWER:

1.5 + 2.8 = 4.3

Haley jogged 4.3 km that day.

_____________________

I cannot see the other questions. If you can perhaps message them to me I can try to help you! :)

Answer:

100 7774 488

Step-by-step explanation:

There you go! lol

Which set of ordered pairs represents a function? Question 1 options: {(0, 0), (2, 3), (1, -4), (2, -2)} {(5, 6), (2, 6), (-3, 4), (-1, 4)} {(-5, 1), (-4, 2), (-5, 3), (-4, 4)} {(3, -2), (-4, -1), (0, 3), (0, 5)}

Answers

The second option because there isn't the same domain in every other one there is 2 of the same first numbers in the pairs

Consider the two functions which statement is true

Answers

The answer would be the last one because function one has a slope of 1/2 (use rise/run) and function 2 has a slope of 2 (subtract the 2nd y value by the one above it)

The slope of the line in the graph is 1/2, and for the table the slope is 2.

Which is true about the two functions?

We can se two linear functions, remember that if a line passes through two points (x₁, y₁) and (x₂, y₂), then the slope of the line is given by the formula:

a = (y₂ - y₁)/(x₂ - x₁)

For the first line we can see it passes through (-4, 0) and (0, 2), then the slope is.

a = (2 - 0)/(0 + 4) = 1/2

For line b we can use the first two pairs in the table (2, 3) and (3, 5)

So the slope is:

a = (5 - 3)/(3 - 2) = 2

These are the slopes of the lines.

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If W = 11 ft, X = 12.6 ft, Y = 7ft, and Z= 9.6ft, what is the area of her closet?

A: 138.6 sq ft
B: 88.2 sq ft
C: 94.2 sq ft
D: 73.2 sq ft

I think the answer is B

Answers

Your answer will be B. Do u know to get it.
blah blah blah blah blah blah blah ( just to fill some space ) the answer is ,because you take the area of the triangle ( 6 sq ft ) and the area of the rectangle (88.2 sq ft ) and add them together to get a total area of 94.2

Write the difference 57 – (–38) as a sum. Then simplify.

Answers

the answer is 95 because when you have two negative you add
When you have a negative minus a positive you add
57-(-38)=
57+38=
=95

Hope this helps

Is this true or false? The following graph represents a proportional relationship:

Answers

Answer: no its is not true


Step-by-step explanation: because it does not show a pattern  the pattern stops at 8,31 so this is not true


The given statement is true.

What is a proportional relationship?

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value time the other. That constant is known as the "constant of proportionality".

From the graph, we can see that the Price of Bunches directly varies between Bunches of Thyme.

Therefore, the given statement is true.

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3. Susan invested $10,000 in an account that earned 3% interest, compounded monthly.
a. Write an exponential growth/decay formula to model the situation.
b. What is the value of this account after 5 years? Express your answer rounded to the nearest cent.

Answers

A) total = 10,000 *(1+0.03/12)^(12*t)


B) t = 5 years

10,000 *(1+0.03/12)^(12*5 ) = $11,616.17


The value of Susan's account after 5 years, compounding monthly with a 3% interest rate, is approximately $11,593.74.

To model the situation, we can use the formula for Compound Interest: A = P(1+r/n)^(nt), where A is the amount after time t, P is the principal amount, r is the interest rate, n is the number of times interest is compounded per time period, and t is the time in years.

In this case, P = $10,000, r = 3% or 0.03, n = 12 (compounded monthly), and t = 5.

Substituting these values into the formula, we get:

A = $10,000(1+0.03/12)^(12*5)

Calculating this expression gives us an amount of approximately $11,593.74 after 5 years.

Rounded to the nearest cent, the value of the account is $11,593.74.

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which is both a real number and an integer

The square root of 7
0.15
-15
1/3

Answers

The answer to this question is C. -15
-15
Integers include all whole numbers. And all of those options are real numbers

Is 4 to 7 the same as 7 to 4 when explaining ratios. And why or not.

Answers

Ratio shows the quantity of the relative 2 or more values. No, it would not be the same. The following example will answer your doubt:

There are 500 students in a class. 400 of them are girls, and 100 of them are boys. What is the ratio of girls to boys?

The are asking the quantity of GIRLS to BOYS, means that you will be writing the ratio of girls, and then the boys. If you write the other way around, it would be incorrect because you are not writing the answer as the question says. The ratio of girls to boys is [tex]400:500[/tex] after simplified it is [tex] \frac{4}{5} [/tex]

Hope this helps you!

Have a great day!

0.06 is 10 times as much as

Answers

0.060 is the answer if you're wondering

How does place value help me subtract decimals

Answers

okay make sure you write this down on your paper place value help me subtract decimals because if you want you don't line up the decimals you'll get the right answer . but if you do line up the decimals you'll get the wrong answer so you do not line up decimals when you are subtracting decimals
Final answer:

Place value helps you subtract decimals by aligning the decimal points and subtracting digit by digit.

Explanation:

Place value helps you subtract decimals by aligning the decimal points and subtracting digit by digit. Start from the right and subtract the digits in the ones place, then move to the tenths place, hundredths place, and so on. If the top number is smaller than the bottom number in a place value column, you may need to borrow from the place value to the left.

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Can someone help me solve X please?

Answers

6x+34 = 8x+14
2x = 20
x = 10

hope it helps

opposite angle equal each other so you have:

6x+34 = 8x +14

subtract 14 from each side:

6x+20  = 8x

subtract 6x from each side

20 =2x

divide both sides by 2

x = 20/2

x = 10

the original cost of a lamp is $18.95 . The lamp is on sale for 75% off . How much will you pay ?

Answers

18.95x0.75=14.2125

18.95-14.2125=4.73

You will pay $4.73

Answer:

$4.74

Step-by-step explanation:

We have been given that the original cost of a lamp is $18.95 . The lamp is on sale for 75% off.

The cost of lamp after sale would be 25% (100-75) of $18.95.

[tex]\text{The cost of lamp after sale}=\$18.95\times \frac{25}{100}[/tex]

[tex]\text{The cost of lamp after sale}=\$18.95\times 0.25[/tex]

[tex]\text{The cost of lamp after sale}=\$4.7375[/tex]

[tex]\text{The cost of lamp after sale}\approx \$4.74[/tex]

Therefore, you will have to pay $4.74 for the lamp.

Write a situation for 15x - 20 ≤ 130 and solve

Answers

Final answer:

To write a situation for the inequality 15x - 20 ≤ 130 and solve it, let's assume that x represents the number of hours a student can study. The solution to the inequality is x ≤ 10, meaning the student needs to study for 10 hours or less to complete the required amount of work.

Explanation:

To write a situation for the inequality 15x - 20 ≤ 130, let's assume that x represents the number of hours a student can study. In this situation, the left-hand side of the inequality represents the amount of work the student has already completed (15x - 20) and the right-hand side represents the total amount of work the student needs to complete (130). The inequality states that the amount of work completed should be less than or equal to the total amount of work required. To solve the inequality, we can follow these steps:

Add 20 to both sides of the inequality: 15x - 20 + 20 ≤ 130 + 20, which simplifies to 15x ≤ 150.Divide both sides by 15 to isolate the variable x: 15x/15 ≤ 150/15, which simplifies to x ≤ 10.

Therefore, the solution to the inequality is x ≤ 10. This means that the student needs to study for 10 hours or less in order to complete the required amount of work.

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7 berries are 5 less than twice the number of berries Mickey had for lunch.

Answers

Final answer:

The subject of this question is Mathematics.

Explanation:

To define the subject of the question, we can see that it involves a mathematical problem. The question asks about the relationship between the number of berries a student has and the number of berries Mickey had for lunch. Therefore, the subject of this question is Mathematics.

7 berries are 5 less than twice the number of berries Mickey had for lunch can be represented as 7 = 2m - 5. Therefore, the correct option is c.

The problem states: "7 berries are 5 less than twice the number of berries Mickey had for lunch."

Let's represent the number of berries Mickey had for lunch as 'm'.

Now, translate the problem into an equation based on the information given:

"7 berries are 5 less than twice the number of berries Mickey had for lunch."

Twice the number of berries Mickey had for lunch is 2 times 'm', which is 2m.

"5 less than twice the number of berries Mickey had for lunch" means subtracting 5 from twice the number, so it's 2m - 5.

And finally, the equation becomes:

7 = 2m - 5

So, the correct representation of the situation in an equation is option C: [tex]$7 = 2m - 5$[/tex].

The complete question is given below:
7 berries are 5 less than twice the number of berries Mickey had for lunch. Choose the correct linear equation.

A. [tex]$7=5-2 m$[/tex]

C. [tex]$7=2 m-5$[/tex]

B. [tex]$5=2 m-7$[/tex]

D. [tex]$12=\frac{m}{2}$[/tex]

If 2" = 10 miles on a map, how far would 6" equal?



10 miles


30 miles


60 miles


90 miles

Answers

The Answer Is 30Mi 
Hope This Helps!
6” would be 30 miles. If you multiply 6 by 10 then divide by 2 we get 30.

A family of four want to go to Cat Island.But their boat only can fit two individuals if they are BOTH children. How do all four people get to the island in the smallest amount of trips?

Answers

im not sure but maybe 1 adult and one child but im not sure if this is a trick question

The boat can fit two children at one time but not two  adults. Then we have the issue of it not specifying if they are all adults or two adults and two children or 1 adult with three children.  so solution have a child and adult go together. with a child in the adults lap. while it is not safe it is possible (warning this is a answer that could irritate any teacher with sense) or presuming this is a family of two adults ad two children, send the two children first together then send the adults separate 3 trips in total 

Zoe's pizza costs 12.99. She gave a tip of $2.00. What percent did Zoe leave as a tip?

Answers

You divide 2.00 by 12.99 which is approx. 0.15. you multiply to turn it into a percentage which will be 15%


15% is the answer to the question

Kendra has a math test every 12 school days in a vocabulary test every 9 school days. She has both a math test and a vocabulary test today. When will she have both a math and a vocabulary test again?

Answers

Hi there!
36 school days. You need to find the least common multiple(LMC) the least common multiple of 12 and 9 is 36.
Hope this helps.

determine the percent of the change in the cost of gasoline from 1970 to 2010 round to the nearest whole percent if necessary

Answers

Since the 2010 price is greater ($2.95) than the 1970 price ($1.30) this is a percent of increased. 
Step 1: Find the amount of increased.
Step 2: Find the percent of increased.

The cost of gasoline increased by about 127% from 1970 to 2010.

40 POINTS ;Find the sum of -2 and -5. Then, in two or more complete sentences, explain the steps you used to add the mixed numbers.

Answers

The sum of -2 and -5 is -7.

I found the sum of -2 and -5 by subtracting the two numbers. Since both numbers are negative, the equation would be set up as -2-5. This is like solving 5+2 which is 7, but just add the negative sign in front of the answer.

Answer:

-5 - -2 would be -3 :)

Step-by-step explanation:

Its negative because 2 is less than 5, so you cant take 5 out of it.

a+b-c=180 solve for a

Answers

a + b - c = 180

a + b - c (+c) = 180 (+c)

a + b (-b) = 180 + c (-b)

a = 180 + c - b

hope this helps

1. 4^2+25
2.55−4⋅5+12

Answers

For the first one here is my work:

16 + 25
41


For the second one here is my work

62.5 

(The bold numbers are the answers)

Need help again with this

Answers

I think it would be B
I believe that number 2 is a.

At midnight, the temperature was 31.2°F. In the morning, the temperature was −6.7°F. Which statement describes the temperatures?
A. At midnight, the temperature was 31.2 degrees above 0, and in the morning, it was 6.7 degrees lower.
B.At midnight, the temperature was 31.2 degrees below 0, and in the morning, it was 6.7 degrees higher.
C. At midnight, the temperature was 31.2 degrees above 0, and in the morning, it was 6.7 degrees below 0.
D At midnight, the temperature was 31.2 degrees below 0, and in the morning, it was 6.7 degrees above 0.

Answers

C. At midnight, the temperature was 31.2 degrees above 0, and in the morning, it was 6.7 degrees below 0.
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