-9(x-4)=-(x+20)

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Solution for -9(x-4)=-(x+20) equation: 



-9(x-4)=-(x+20)

We move all terms to the left:

-9(x-4)-(-(x+20))=0

We multiply parentheses

-9x-(-(x+20))+36=0



We calculate terms in parentheses: -(-(x+20)), so:

-(x+20)

We get rid of parentheses

-x-20

We add all the numbers together, and all the variables

-1x-20

Back to the equation:

-(-1x-20)



We get rid of parentheses

-9x+1x+20+36=0

We add all the numbers together, and all the variables

-8x+56=0

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

-8x=-56

x=-56/-8

x=+7

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