-(x-5)=3(7-x)

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Solution for -(x-5)=3(7-x) equation: 



-(x-5)=3(7-x)

We move all terms to the left:

-(x-5)-(3(7-x))=0

We add all the numbers together, and all the variables

-(x-5)-(3(-1x+7))=0

We get rid of parentheses

-x-(3(-1x+7))+5=0



We calculate terms in parentheses: -(3(-1x+7)), so:

3(-1x+7)

We multiply parentheses

-3x+21

Back to the equation:

-(-3x+21)



We add all the numbers together, and all the variables

-1x-(-3x+21)+5=0

We get rid of parentheses

-1x+3x-21+5=0

We add all the numbers together, and all the variables

2x-16=0

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

2x=16

x=16/2

x=8

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