-9-13=-4

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Solution for -9-13=-4 equation: 


Simplifying
-9 + -13 = -4

Combine like terms: -9 + -13 = -22
-22 = -4

Solving
-22 = -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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