-20-z+z=20

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Solution for -20-z+z=20 equation: 


Simplifying
-20 + -1z + z = 20

Combine like terms: -1z + z = 0
-20 + 0 = 20
-20 = 20

Solving
-20 = 20

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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