-9(y-99)=72

Solution for -9(y-99)=72 equation:

Simplifying
-9(y + -99) = 72

Reorder the terms:
-9(-99 + y) = 72
(-99 * -9 + y * -9) = 72
(891 + -9y) = 72

Solving
891 + -9y = 72

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-891' to each side of the equation.
891 + -891 + -9y = 72 + -891

Combine like terms: 891 + -891 = 0
0 + -9y = 72 + -891
-9y = 72 + -891

Combine like terms: 72 + -891 = -819
-9y = -819

Divide each side by '-9'.
y = 91

Simplifying
y = 91