Which of these is a solution to the equation 2 (x - 5) = 9 - 3x + 6 + 8 + 3x + 7? A. x = 10

B. x = 20

C. x = 40

D. x = 80

First, multiply the 2 times (x-5) and you get 2x-10 on the left side.

Then on the right side, add up all the similar terms and you get 30 (the - 3x and + 3x cancel each other out.

2x-10=30

Then add 10 to both sides and you get 2x=40.

Then divide both sides by 2 and you get x=20.

Answer is B.