10+12y=2y+40

Subtract 2y from both sides of the equation.

10+12y-2y=40

Subtract 2y from 12y.

10+10y=40

10+10y=40

Subtract 10 from both sides of the equation.

10y=40-10

Subtract 10 from 40.

10y=30

10y=30

Divide each term in 10y=30 by 10.

10y10=3010

Cancel the common factor of 10.

Cancel the common factor.

10y10=3010

Divide y by 1.

y=3010

y=3010

Divide 30 by 10.

y=3

y=3

Solve for y 10+12y=2y+40