-31+4x=-(7-7x)

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Solution for -31+4x=-(7-7x) equation: 



-31+4x=-(7-7x)

We move all terms to the left:

-31+4x-(-(7-7x))=0

We add all the numbers together, and all the variables

4x-(-(-7x+7))-31=0



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

-(-7x+7)

We get rid of parentheses

7x-7

Back to the equation:

-(7x-7)



We get rid of parentheses

4x-7x+7-31=0

We add all the numbers together, and all the variables

-3x-24=0

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

-3x=24

x=24/-3

x=-8

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