z-13=-31

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Solution for z-13=-31 equation: 


Simplifying
z + -13 = -31

Reorder the terms:
-13 + z = -31

Solving
-13 + z = -31

Solving for variable 'z'.

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

Add '13' to each side of the equation.
-13 + 13 + z = -31 + 13

Combine like terms: -13 + 13 = 0
0 + z = -31 + 13
z = -31 + 13

Combine like terms: -31 + 13 = -18
z = -18

Simplifying
z = -18

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