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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



We calculate terms in parentheses: -(3(4x-7)+x), so:

3(4x-7)+x

We add all the numbers together, and all the variables

x+3(4x-7)

We multiply parentheses

x+12x-21

We add all the numbers together, and all the variables

13x-21

Back to the equation:

-(13x-21)



We add all the numbers together, and all the variables

x-(13x-21)+7=0

We get rid of parentheses

x-13x+21+7=0

We add all the numbers together, and all the variables

-12x+28=0

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

-12x=-28

x=-28/-12

x=2+1/3

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