-100=12+-9

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Solution for -100=12+-9 equation: 


Simplifying
-100 = 12 + -9

Combine like terms: 12 + -9 = 3
-100 = 3

Solving
-100 = 3

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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