Move all terms not containing y to the right side of the equation.
Subtract 5 from both sides of the equation.
Subtract 5 from 23.
Divide each term by -9 and simplify.
Divide each term in -9y=18 by -9.
Cancel the common factor of -9.
Cancel the common factor.
Divide y by 1.
Divide 18 by -9.
Solve for y 5-9y=23