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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

21x-(4(3x-2)-x)+12=0



We calculate terms in parentheses: -(4(3x-2)-x), so:

4(3x-2)-x

We add all the numbers together, and all the variables

-1x+4(3x-2)

We multiply parentheses

-1x+12x-8

We add all the numbers together, and all the variables

11x-8

Back to the equation:

-(11x-8)



We get rid of parentheses

21x-11x+8+12=0

We add all the numbers together, and all the variables

10x+20=0

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

10x=-20

x=-20/10

x=-2

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