-9-9=-27

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Solution for -9-9=-27 equation: 


Simplifying
-9 + -9 = -27

Combine like terms: -9 + -9 = -18
-18 = -27

Solving
-18 = -27

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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