4=z-8

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Solution for 4=z-8 equation:


Simplifying
4 = z + -8

Reorder the terms:
4 = -8 + z

Solving
4 = -8 + 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.
4 + -1z = -8 + z + -1z

Combine like terms: z + -1z = 0
4 + -1z = -8 + 0
4 + -1z = -8

Add '-4' to each side of the equation.
4 + -4 + -1z = -8 + -4

Combine like terms: 4 + -4 = 0
0 + -1z = -8 + -4
-1z = -8 + -4

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

Divide each side by '-1'.
z = 12

Simplifying
z = 12

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