Question 254518
x/5+62.50+17.50=x
x/5-x=-62.50-17.50
-4x/5=-80
-4x=5*-80
-4x=-400
x=-400/-4
x=100
Proof:
100/5+62.50+17.50=100
20+62.50+17.50=100
100=100