12x-21=12x+8

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Solution for 12x-21=12x+8 equation: 



12x-21=12x+8

We move all terms to the left:

12x-21-(12x+8)=0

We get rid of parentheses

12x-12x-8-21=0

We add all the numbers together, and all the variables

-29!=0

There is no solution for this equation

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