Move all terms not containing y to the right side of the equation.
Add 9 to both sides of the equation.
Add 7 and 9.
Divide each term by -4 and simplify.
Divide each term in -4y=16 by -4.
Cancel the common factor of -4.
Cancel the common factor.
Divide y by 1.
Divide 16 by -4.
Solve for y -4y-9=7