Answer: True
Step-by-step explanation:
Substitute x=12 into the equation, if left side = right side, x = 12
3 (x - 2) = 30 + x - 2 - x + 2
3 ((12)-2) = 30 + (12) - 2 - (12) + 2
3 (10) = 30 - 2 + 2
30 = 30
Left side = Right side
Therefore, x = 12
