-8(z+9)=-9z

Solution for -8(z+9)=-9z equation:

Simplifying
-8(z + 9) = -9z

Reorder the terms:
-8(9 + z) = -9z
(9 * -8 + z * -8) = -9z
(-72 + -8z) = -9z

Solving
-72 + -8z = -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 + -8z + 9z = -9z + 9z

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

Combine like terms: -9z + 9z = 0
-72 + 1z = 0

Add '72' to each side of the equation.
-72 + 72 + 1z = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 1z = 0 + 72
1z = 0 + 72

Combine like terms: 0 + 72 = 72
1z = 72

Divide each side by '1'.
z = 72

Simplifying
z = 72