Answer :
x - 3(2x - 7) = 76
x - 3(2x) - 3(-7) = 76
x - 6x + 21 = 76
-5x + 21 = 76
- 21 - 21
-5x = 55
-5 -5
x = -11
x - 3(2x) - 3(-7) = 76
x - 6x + 21 = 76
-5x + 21 = 76
- 21 - 21
-5x = 55
-5 -5
x = -11