3(-x+4)=7(2+x)-x

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Solution for 3(-x+4)=7(2+x)-x equation: 



3(-x+4)=7(2+x)-x

We move all terms to the left:

3(-x+4)-(7(2+x)-x)=0

We add all the numbers together, and all the variables

3(-1x+4)-(7(x+2)-x)=0

We multiply parentheses

-3x-(7(x+2)-x)+12=0



We calculate terms in parentheses: -(7(x+2)-x), so:

7(x+2)-x

We add all the numbers together, and all the variables

-1x+7(x+2)

We multiply parentheses

-1x+7x+14

We add all the numbers together, and all the variables

6x+14

Back to the equation:

-(6x+14)



We get rid of parentheses

-3x-6x-14+12=0

We add all the numbers together, and all the variables

-9x-2=0

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

-9x=2

x=2/-9

x=-2/9

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