-7-8=9

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Solution for -7-8=9 equation: 


Simplifying
-7 + -8 = 9

Combine like terms: -7 + -8 = -15
-15 = 9

Solving
-15 = 9

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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