-17+21=31

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Solution for -17+21=31 equation: 


Simplifying
-17 + 21 = 31

Combine like terms: -17 + 21 = 4
4 = 31

Solving
4 = 31

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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