12-18=138

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Solution for 12-18=138 equation: 


Simplifying
12 + -18 = 138

Combine like terms: 12 + -18 = -6
-6 = 138

Solving
-6 = 138

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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