-72=-9n

Solution for -72=-9n equation:

Simplifying
-72 = -9n

Solving
-72 = -9n

Solving for variable 'n'.

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

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

Combine like terms: -9n + 9n = 0
-72 + 9n = 0

Add '72' to each side of the equation.
-72 + 72 + 9n = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 9n = 0 + 72
9n = 0 + 72

Combine like terms: 0 + 72 = 72
9n = 72

Divide each side by '9'.
n = 8

Simplifying
n = 8