To find the answer, all we have to do is solve for x, considering we need to find which value of x makes the equation true. Solving it will give us the answer and value of x that makes it true.
[tex]-8 + x = 0 \\ \\ x - 8 = 0 \\ \\ x = 8 \\ \\ Answer: \fbox {B) 8} [/tex]