28=z-12

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Solution for 28=z-12 equation:


Simplifying
28 = z + -12

Reorder the terms:
28 = -12 + z

Solving
28 = -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.
28 + -1z = -12 + z + -1z

Combine like terms: z + -1z = 0
28 + -1z = -12 + 0
28 + -1z = -12

Add '-28' to each side of the equation.
28 + -28 + -1z = -12 + -28

Combine like terms: 28 + -28 = 0
0 + -1z = -12 + -28
-1z = -12 + -28

Combine like terms: -12 + -28 = -40
-1z = -40

Divide each side by '-1'.
z = 40

Simplifying
z = 40

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