9y-72=y

Solution for 9y-72=y equation:

Simplifying
9y + -72 = y

Reorder the terms:
-72 + 9y = y

Solving
-72 + 9y = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-72 + 9y + -1y = y + -1y

Combine like terms: 9y + -1y = 8y
-72 + 8y = y + -1y

Combine like terms: y + -1y = 0
-72 + 8y = 0

Add '72' to each side of the equation.
-72 + 72 + 8y = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 8y = 0 + 72
8y = 0 + 72

Combine like terms: 0 + 72 = 72
8y = 72

Divide each side by '8'.
y = 9

Simplifying
y = 9