3x+6=7x-21+2x

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Solution for 3x+6=7x-21+2x equation: 



3x+6=7x-21+2x

We move all terms to the left:

3x+6-(7x-21+2x)=0

We add all the numbers together, and all the variables

3x-(9x-21)+6=0

We get rid of parentheses

3x-9x+21+6=0

We add all the numbers together, and all the variables

-6x+27=0

We move all terms containing x to the left, all other terms to the right

-6x=-27

x=-27/-6

x=4+1/2

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