3x+21=x+9+2x

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Solution for 3x+21=x+9+2x equation: 



3x+21=x+9+2x

We move all terms to the left:

3x+21-(x+9+2x)=0

We add all the numbers together, and all the variables

3x-(3x+9)+21=0

We get rid of parentheses

3x-3x-9+21=0

We add all the numbers together, and all the variables

12!=0

There is no solution for this equation

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