All categories

2 years ago

What value for x will make the equation true? -3 (7x - 5) = 87 + 3x

Mathematics

2 answers:

Gennadij [26K]2 years ago

7 0

Answer:

x=-3

Step-by-step explanation:

follow the PEMDAS method then see if the 2 equation equal each other after plugging in the x.

ruslelena [56]2 years ago

3 0

Answer:

x = - 3

Step-by-step explanation:

Given

- 3(7x - 5) = 87 + 3x ← distribute parenthesis on left side

- 21x + 15 = 87 + 3x ( subtract 3x from both sides )

- 24x = 72 ( divide both sides by - 24 )

x = - 3

You might be interested in

How many fourths are equivalent to 2\8

sdas [7]

Answer:

1/4

Step-by-step explanation:

8/8=1

6/8=3/4

4/8=2/4

2/8=1/4

3 0

2 years ago

Read 2 more answers

Can somebody plz help answer all the questions correctly thanks a lot !!!

Lady_Fox [76]

Answer:

7. 250%

8. 400%

9. 667%

10. 769%

11. 263%

12. 125%

13. 137%

14. 526%

Step-by-step explanation:

divide the first number by the second number, then multiply that answer by 100

so kind of like: Number1 ÷ Number2 = x

then you do x × 100

and that's your answer

(all of my answers are rounded to the nearest percent)

3 0

2 years ago

Read 2 more answers

A new car is purchased for 19700 dollars. The value of the car depreciates at

Usimov [2.4K]

Answer:

Step-by-step explanation:

We can plug this into a formula and get

$5,500 = 19,700(.9075)^{?}$

the .9075 comes from 1 - the depreciation value of 9.25% which converts to .0925 in decimal form.

? is what we are trying to solve for.

We can divide both sides by 19,700 and we get

$\frac{55}{197} = (0.9075)^?$

so ? is about 13.

6 0

2 years ago

TRUE or FALSE: ℼ is the ratio of a circle's circumference to its diameter.

dsp73

Answer:

True

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

140°<br> 6x + 20<br> Solve for x

yan [13]

Answer:

140

Step-by-step explanation:

7 0

2 years ago