3+-9=-4

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Solution for 3+-9=-4 equation: 


Simplifying
3 + -9 = -4

Combine like terms: 3 + -9 = -6
-6 = -4

Solving
-6 = -4

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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