Move all terms not containing h to the right side of the equation.
Add 15 to both sides of the equation.
Add 93 and 15.
Divide each term by -9 and simplify.
Divide each term in -9h=108 by -9.
Cancel the common factor of -9.
Cancel the common factor.
Divide h by 1.
Divide 108 by -9.
Solve for h -9h-15=93