20=(7x+x)

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Solution for 20=(7x+x) equation: 



20=(7x+x)

We move all terms to the left:

20-((7x+x))=0

We add all the numbers together, and all the variables

-((+8x))+20=0



We calculate terms in parentheses: -((+8x)), so:

(+8x)

We get rid of parentheses

8x

Back to the equation:

-(8x)



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

-8x=-20

x=-20/-8

x=2+1/2

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