z-(-1)=-12

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Solution for z-(-1)=-12 equation: 


Simplifying
z + -1(-1) = -12

Multiply -1 * -1
z + 1 = -12

Reorder the terms:
1 + z = -12

Solving
1 + z = -12

Solving for variable 'z'.

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

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

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

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

Simplifying
z = -13

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