Move all terms containing y to the left side of the equation.
Subtract 2y from both sides of the equation.
Subtract 2y from 12y.
Move all terms not containing y to the right side of the equation.
Subtract 10 from both sides of the equation.
Subtract 10 from 40.
Divide each term by 10 and simplify.
Divide each term in 10y=30 by 10.
Cancel the common factor of 10.
Cancel the common factor.
Divide y by 1.
Divide 30 by 10.
Solve for y 10+12y=2y+40