6x+-6x=21

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Solution for 6x+-6x=21 equation: 


Simplifying
6x + -6x = 21

Combine like terms: 6x + -6x = 0
0 = 21

Solving
0 = 21

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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