1. x/3 = 12
Multiply both sides by 3
(x/3) * 3 = (12) * (3)
x = 36
2. 7n = 56
Divide both sides by 7
7n/7 = 56/7
n = 8
3. x - 16 = 17
Add 16 to both sides
x - 16 + 16 = 17 + 16
x = 33
