2(x+2x)=x+7x

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Solution for 2(x+2x)=x+7x equation: 



2(x+2x)=x+7x

We move all terms to the left:

2(x+2x)-(x+7x)=0

We add all the numbers together, and all the variables

2(+3x)-(+8x)=0

We multiply parentheses

6x-(+8x)=0

We get rid of parentheses

6x-8x=0

We add all the numbers together, and all the variables

-2x=0

x=0/-2

x=0

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