-2(z+-2)=-4

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


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

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

Solving
4 + -2z = -4

Solving for variable 'z'.

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

Add '-4' to each side of the equation.
4 + -4 + -2z = -4 + -4

Combine like terms: 4 + -4 = 0
0 + -2z = -4 + -4
-2z = -4 + -4

Combine like terms: -4 + -4 = -8
-2z = -8

Divide each side by '-2'.
z = 4

Simplifying
z = 4

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