-3-21=-6

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Solution for -3-21=-6 equation: 


Simplifying
-3 + -21 = -6

Combine like terms: -3 + -21 = -24
-24 = -6

Solving
-24 = -6

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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