-4z-28=12

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Solution for -4z-28=12 equation: 


Simplifying
-4z + -28 = 12

Reorder the terms:
-28 + -4z = 12

Solving
-28 + -4z = 12

Solving for variable 'z'.

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

Add '28' to each side of the equation.
-28 + 28 + -4z = 12 + 28

Combine like terms: -28 + 28 = 0
0 + -4z = 12 + 28
-4z = 12 + 28

Combine like terms: 12 + 28 = 40
-4z = 40

Divide each side by '-4'.
z = -10

Simplifying
z = -10

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