-20=(n/2)

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Solution for -20=(n/2) equation: 



-20=(n/2)

We move all terms to the left:

-20-((n/2))=0

We add all the numbers together, and all the variables

-((+n/2))-20=0

We multiply all the terms by the denominator


-((+n-20*2))=0



We calculate terms in parentheses: -((+n-20*2)), so:

(+n-20*2)

We add all the numbers together, and all the variables

(n-40)

We get rid of parentheses

n-40

Back to the equation:

-(n-40)



We get rid of parentheses

-n+40=0

We add all the numbers together, and all the variables

-1n+40=0

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

-n=-40

n=-40/-1

n=+40

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