-z+12=-13

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Solution for -z+12=-13 equation: 


Simplifying
-1z + 12 = -13

Reorder the terms:
12 + -1z = -13

Solving
12 + -1z = -13

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + -1z = -13 + -12

Combine like terms: 12 + -12 = 0
0 + -1z = -13 + -12
-1z = -13 + -12

Combine like terms: -13 + -12 = -25
-1z = -25

Divide each side by '-1'.
z = 25

Simplifying
z = 25

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