Move all terms containing y to the left side of the equation.
Add 3y to both sides of the equation.
Add 4y and 3y.
Move all terms not containing y to the right side of the equation.
Subtract 15 from both sides of the equation.
Subtract 15 from 8.
Divide each term by 7 and simplify.
Divide each term in 7y=-7 by 7.
Cancel the common factor of 7.
Cancel the common factor.
Divide y by 1.
Divide -7 by 7.
Solve for y 4y+15=-3y+8