13=(n+4)

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Solution for 13=(n+4) equation: 



13=(n+4)

We move all terms to the left:

13-((n+4))=0



We calculate terms in parentheses: -((n+4)), so:

(n+4)

We get rid of parentheses

n+4

Back to the equation:

-(n+4)



We get rid of parentheses

-n-4+13=0

We add all the numbers together, and all the variables

-1n+9=0

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

-n=-9

n=-9/-1

n=+9

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