Question

Is either x=9 or x=15 a solution to x-3=12?

A. x= 9 is a solution, but x =15 is not
B. they are both solutions
C. x=15 is a solution, but x=9 is not
D. neither is a solution

Answer 1

It's 15

c. x=15 is a solution but x=9 is not

Explanation:

15-3=12

9-3=6