livingsavagelifebre livingsavagelifebre

11-07-2020
Mathematics

contestada

What is the solution to this equation?
9x - 4(x - 2) = x+ 20
O A. x= 7
O B. x = 3
O c. X=-3
O D. x=-7

Respuesta :

11-07-2020

Answer:

B

Step-by-step explanation:

9x - 4(x - 2) = x + 20

9x - 4x + 8 = x + 20 (Distribute 4)

5x + 8 = x + 20 (Combine like terms)

4x + 8 = 20 (Subtract x from both sides)

4x = 12 (Subtract 8 from both sides)

x = 3 (Divide equation by 4)

Answer Link

Otras preguntas

How would life be without technology

from 6x^2-3x+9 subtract 2x^2-5x+8

If you know that 84 is 70% of a whole, explain how you can use proportional reasoning to determine the whole

What change, if any, should be made in sentence 7? Research shows that kindness is actually contagious, and those who witness acts of kindness is more likely t

If r = 4 and a6 = 192, what is the first term of the sequence? a. 1.875 b. 18.75 c. 0.1875 d. 187.5 Please select the best answer from the choices provided a) A

Creating central distribution centers can allow a business to run more efficiently. True False

What is historical evidence?

Please help ASAP. Right answer only.

does a piece of paper burning produce a new substance

Use the drop down menu to completes the sentence. To supply towns and cities with fresh water, the romans built