3(2z-1)-3(2-3)=12

Solution for 3(2z-1)-3(2-3)=12 equation:

Simplifying
3(2z + -1) + -3(2 + -3) = 12

Reorder the terms:
3(-1 + 2z) + -3(2 + -3) = 12
(-1 * 3 + 2z * 3) + -3(2 + -3) = 12
(-3 + 6z) + -3(2 + -3) = 12

Combine like terms: 2 + -3 = -1
-3 + 6z + -3(-1) = 12

Multiply -3 * -1
-3 + 6z + 3 = 12

Reorder the terms:
-3 + 3 + 6z = 12

Combine like terms: -3 + 3 = 0
0 + 6z = 12
6z = 12

Solving
6z = 12

Solving for variable 'z'.

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

Divide each side by '6'.
z = 2

Simplifying
z = 2