-4+9=-15

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Solution for -4+9=-15 equation: 


Simplifying
-4 + 9 = -15

Combine like terms: -4 + 9 = 5
5 = -15

Solving
5 = -15

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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