-10-20=0

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Solution for -10-20=0 equation: 


Simplifying
-10 + -20 = 0

Combine like terms: -10 + -20 = -30
-30 = 0

Solving
-30 = 0

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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