51=15y+2y
Rewrite the equation as 15y+2y=51.
15y+2y=51
Add 15y and 2y.
17y=51
Divide each term in 17y=51 by 17.
17y17=5117
Cancel the common factor of 17.
Cancel the common factor.
17y17=5117
Divide y by 1.
y=5117
y=5117
Divide 51 by 17.
y=3
y=3
Solve for y 51=15y+2y