Rewrite the equation as 15y+2y=51.
Add 15y and 2y.
Divide each term by 17 and simplify.
Divide each term in 17y=51 by 17.
Cancel the common factor of 17.
Cancel the common factor.
Divide y by 1.
Divide 51 by 17.
Solve for y 51=15y+2y