-8=z-12

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Solution for -8=z-12 equation:


Simplifying
-8 = z + -12

Reorder the terms:
-8 = -12 + z

Solving
-8 = -12 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-8 + -1z = -12 + z + -1z

Combine like terms: z + -1z = 0
-8 + -1z = -12 + 0
-8 + -1z = -12

Add '8' to each side of the equation.
-8 + 8 + -1z = -12 + 8

Combine like terms: -8 + 8 = 0
0 + -1z = -12 + 8
-1z = -12 + 8

Combine like terms: -12 + 8 = -4
-1z = -4

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

Simplifying
z = 4

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