-4z-8=12

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Solution for -4z-8=12 equation: 


Simplifying
-4z + -8 = 12

Reorder the terms:
-8 + -4z = 12

Solving
-8 + -4z = 12

Solving for variable 'z'.

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

Add '8' to each side of the equation.
-8 + 8 + -4z = 12 + 8

Combine like terms: -8 + 8 = 0
0 + -4z = 12 + 8
-4z = 12 + 8

Combine like terms: 12 + 8 = 20
-4z = 20

Divide each side by '-4'.
z = -5

Simplifying
z = -5

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