-12+31-13=

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Solution for -12+31-13= equation: 


Simplifying
-12 + 31 + -13 = 0

Combine like terms: -12 + 31 = 19
19 + -13 = 0

Combine like terms: 19 + -13 = 6
6 = 0

Solving
6 = 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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