2500/20+6*(X/3-9)=155

Question

2500/20+6*(X/3-9)=155

Answer 1

2500/20+6*(x/3-9)=155
125+6*(x/3-9)=155
6*(x/3-9)=30
x/3-9=5
x/3=14
x=14*3
x=24

Comments

x=42