-15+21=2

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Solution for -15+21=2 equation: 


Simplifying
-15 + 21 = 2

Combine like terms: -15 + 21 = 6
6 = 2

Solving
6 = 2

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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