Rewrite the equation as 8-6y-7y=-31.
Subtract 7y from -6y.
Move all terms not containing y to the right side of the equation.
Subtract 8 from both sides of the equation.
Subtract 8 from -31.
Divide each term by -13 and simplify.
Divide each term in -13y=-39 by -13.
Cancel the common factor of -13.
Cancel the common factor.
Divide y by 1.
Divide -39 by -13.
Solve for y -31=8-6y-7y