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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply all the terms by the denominator


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



We calculate terms in parentheses: -((x-20)+7*(-7)), so:

(x-20)+7*(-7)

We add all the numbers together, and all the variables

(x-20)-49

We get rid of parentheses

x-20-49

We add all the numbers together, and all the variables

x-69

Back to the equation:

-(x-69)



We get rid of parentheses

-x+69=0

We add all the numbers together, and all the variables

-1x+69=0

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

-x=-69

x=-69/-1

x=+69

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