Answer:
x = -1
Step-by-step explanation:
-3(x-1) + 9 = 15
-3x + 3 + 9 = 15
-3x = 3
The variable (x) is -1.
use the distributive property
-3(x - 1) + 9 = 15
-3x + 12 = 15
-12 -12
divide by -3
