-13-20=

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Solution for -13-20= equation: 


Simplifying
-13 + -20 = 0

Combine like terms: -13 + -20 = -33
-33 = 0

Solving
-33 = 0

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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