7x=(x-20)

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



7x=(x-20)

We move all terms to the left:

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



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

(x-20)

We get rid of parentheses

x-20

Back to the equation:

-(x-20)



We get rid of parentheses

7x-x+20=0

We add all the numbers together, and all the variables

6x+20=0

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

6x=-20

x=-20/6

x=-3+1/3

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