-7+9=-40

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Solution for -7+9=-40 equation: 


Simplifying
-7 + 9 = -40

Combine like terms: -7 + 9 = 2
2 = -40

Solving
2 = -40

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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