Question

Solve y = x + 8 for x.
A. x = y + 8
B. x=y - 8
C. x= -y + 8
D. x= -y - 8

Answer 1

Given the linear equation, y = x + 8, and that we must solve for x:

Simply subtract 8 from both sides to isolate x:
y - 8 = x + 8 - 8

x = y - 8

Therefore, the correct answer is Option B) x = y - 8.