Add 7y to both sides: 15y-8=37.
Add 8 to both sides: 15y=45.
Divide both sides by 15, y=3.
Check: 8(3)-8=37-7(3), 24-8=37-21, 16=16
Add 7y to both sides: 15y-8=37.
Add 8 to both sides: 15y=45.
Divide both sides by 15, y=3.
Check: 8(3)-8=37-7(3), 24-8=37-21, 16=16