Question

From the set {108, 22, 13}, use substitution to determine which value of x makes the equation true.
9x = 117

A. none of these
B. 22
C. 13
D. 108

Answer 1

C; You have to divide 9 on both sides. Then u get x=117/9=13

Answer 2

C... 13 u divide 117 divided by 9 so X=13