-72=-9z

Solution for -72=-9z equation:

Simplifying
-72 = -9z

Solving
-72 = -9z

Solving for variable 'z'.

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

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

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

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

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

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

Divide each side by '9'.
z = 8

Simplifying
z = 8