9z-9-3z+3=0

Solution for 9z-9-3z+3=0 equation:

Simplifying
9z + -9 + -3z + 3 = 0

Reorder the terms:
-9 + 3 + 9z + -3z = 0

Combine like terms: -9 + 3 = -6
-6 + 9z + -3z = 0

Combine like terms: 9z + -3z = 6z
-6 + 6z = 0

Solving
-6 + 6z = 0

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + 6z = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 6z = 0 + 6
6z = 0 + 6

Combine like terms: 0 + 6 = 6
6z = 6

Divide each side by '6'.
z = 1

Simplifying
z = 1