2(2z-3)-2(2-2z)=4

Solution for 2(2z-3)-2(2-2z)=4 equation:

Simplifying
2(2z + -3) + -2(2 + -2z) = 4

Reorder the terms:
2(-3 + 2z) + -2(2 + -2z) = 4
(-3 * 2 + 2z * 2) + -2(2 + -2z) = 4
(-6 + 4z) + -2(2 + -2z) = 4
-6 + 4z + (2 * -2 + -2z * -2) = 4
-6 + 4z + (-4 + 4z) = 4

Reorder the terms:
-6 + -4 + 4z + 4z = 4

Combine like terms: -6 + -4 = -10
-10 + 4z + 4z = 4

Combine like terms: 4z + 4z = 8z
-10 + 8z = 4

Solving
-10 + 8z = 4

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + 8z = 4 + 10

Combine like terms: -10 + 10 = 0
0 + 8z = 4 + 10
8z = 4 + 10

Combine like terms: 4 + 10 = 14
8z = 14

Divide each side by '8'.
z = 1.75

Simplifying
z = 1.75