-(-z-4)=

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


Simplifying
-1(-1z + -4) = 0

Reorder the terms:
-1(-4 + -1z) = 0
(-4 * -1 + -1z * -1) = 0
(4 + 1z) = 0

Solving
4 + 1z = 0

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 + 1z = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 1z = 0 + -4
1z = 0 + -4

Combine like terms: 0 + -4 = -4
1z = -4

Divide each side by '1'.
z = -4

Simplifying
z = -4

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