z-18=-20

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Solution for z-18=-20 equation: 


Simplifying
z + -18 = -20

Reorder the terms:
-18 + z = -20

Solving
-18 + z = -20

Solving for variable 'z'.

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

Add '18' to each side of the equation.
-18 + 18 + z = -20 + 18

Combine like terms: -18 + 18 = 0
0 + z = -20 + 18
z = -20 + 18

Combine like terms: -20 + 18 = -2
z = -2

Simplifying
z = -2

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