-12=z-3

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Solution for -12=z-3 equation:


Simplifying
-12 = z + -3

Reorder the terms:
-12 = -3 + z

Solving
-12 = -3 + 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.
-12 + -1z = -3 + z + -1z

Combine like terms: z + -1z = 0
-12 + -1z = -3 + 0
-12 + -1z = -3

Add '12' to each side of the equation.
-12 + 12 + -1z = -3 + 12

Combine like terms: -12 + 12 = 0
0 + -1z = -3 + 12
-1z = -3 + 12

Combine like terms: -3 + 12 = 9
-1z = 9

Divide each side by '-1'.
z = -9

Simplifying
z = -9

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