Answer:
6
Explanation:
I'm going to assume you mean (4x - 3) / 3 = 7
If that is not correct, could you please correct it.
Multiply both sides by 3
3*(4x - 3) / 3 = 7*3
The 3s cancel on the left
4x - 3 = 21
Add 3 to both sides.
4x - 3 + 3 = 21 + 3
combine
4x = 24
Divide by 4
4x/4 = 24/4
x = 6