Answer:
3x/5 =15 Addition property of equality
3x=75 Multiplication property of equality
x=25 Division property of equality
Explanation:
3x/5-3=12 add 3 to both sides
3x/5=15 multiply both sides by 5
3x=75 divide both sides by 3
x=25
You are basically using inverse operations to get the x by itself and reveal the answer