5-9=12

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Solution for 5-9=12 equation: 


Simplifying
5 + -9 = 12

Combine like terms: 5 + -9 = -4
-4 = 12

Solving
-4 = 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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