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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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



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

(x+2)

We get rid of parentheses

x+2

Back to the equation:

-(x+2)



We get rid of parentheses

3x-x-2+21=0

We add all the numbers together, and all the variables

2x+19=0

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

2x=-19

x=-19/2

x=-9+1/2

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