-5y-9=3y+15

Subtract 3y from both sides of the equation.

-5y-9-3y=15

Subtract 3y from -5y.

-8y-9=15

-8y-9=15

Add 9 to both sides of the equation.

-8y=15+9

Add 15 and 9.

-8y=24

-8y=24

Divide each term in -8y=24 by -8.

-8y-8=24-8

Cancel the common factor of -8.

Cancel the common factor.

-8y-8=24-8

Divide y by 1.

y=24-8

y=24-8

Divide 24 by -8.

y=-3

y=-3

Solve for y -5y-9=3y+15