-4y-9=7
Add 9 to both sides of the equation.
-4y=7+9
Add 7 and 9.
-4y=16
-4y=16
Divide each term in -4y=16 by -4.
-4y-4=16-4
Cancel the common factor of -4.
Cancel the common factor.
-4y-4=16-4
Divide y by 1.
y=16-4
y=16-4
Divide 16 by -4.
y=-4
y=-4
Solve for y -4y-9=7