-9+3=12

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Solution for -9+3=12 equation: 


Simplifying
-9 + 3 = 12

Combine like terms: -9 + 3 = -6
-6 = 12

Solving
-6 = 12

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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