Question

What is the answer to this problem?

Solve: negative 1 over 2 x + 1 = −x + 8

A. 7

B. 1 over 2

C. 14

D. 18

Answer 1

-1/2x +1 = -x +8

Add 1x to each side:

1/2x +1 = 8

Subtract 1 from each side:

1/2x = 7

Multiply each side by 2:

x = 14

The answer is C. 14