-20=(n-3)

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Solution for -20=(n-3) equation: 



-20=(n-3)

We move all terms to the left:

-20-((n-3))=0



We calculate terms in parentheses: -((n-3)), so:

(n-3)

We get rid of parentheses

n-3

Back to the equation:

-(n-3)



We get rid of parentheses

-n+3-20=0

We add all the numbers together, and all the variables

-1n-17=0

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

-n=17

n=17/-1

n=-17

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