-7=z-12

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Solution for -7=z-12 equation:


Simplifying
-7 = z + -12

Reorder the terms:
-7 = -12 + z

Solving
-7 = -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.
-7 + -1z = -12 + z + -1z

Combine like terms: z + -1z = 0
-7 + -1z = -12 + 0
-7 + -1z = -12

Add '7' to each side of the equation.
-7 + 7 + -1z = -12 + 7

Combine like terms: -7 + 7 = 0
0 + -1z = -12 + 7
-1z = -12 + 7

Combine like terms: -12 + 7 = -5
-1z = -5

Divide each side by '-1'.
z = 5

Simplifying
z = 5

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