4+12=7-9

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Solution for 4+12=7-9 equation: 


Simplifying
4 + 12 = 7 + -9

Combine like terms: 4 + 12 = 16
16 = 7 + -9

Combine like terms: 7 + -9 = -2
16 = -2

Solving
16 = -2

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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