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

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



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

We move all terms to the left:

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

We multiply parentheses

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



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

-(x-4)+x

We add all the numbers together, and all the variables

x-(x-4)

We get rid of parentheses

x-x+4

We add all the numbers together, and all the variables

4

Back to the equation:

-(4)



We add all the numbers together, and all the variables

3x+21=0

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

3x=-21

x=-21/3

x=-7

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