900=((n-2)180)/n

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Solution for 900=((n-2)180)/n equation: 



900=((n-2)180)/n

We move all terms to the left:

900-(((n-2)180)/n)=0



Domain of the equation: n)!=0

n!=0/1

n!=0

n∈R



We multiply all the terms by the denominator


-(((n-2)180)+900*n)=0



We calculate terms in parentheses: -(((n-2)180)+900*n), so:

((n-2)180)+900*n

We add all the numbers together, and all the variables

900n+((n-2)180)



We calculate terms in parentheses: +((n-2)180), so:

(n-2)180

We multiply parentheses

180n-360

Back to the equation:

+(180n-360)



We get rid of parentheses

900n+180n-360

We add all the numbers together, and all the variables

1080n-360

Back to the equation:

-(1080n-360)



We get rid of parentheses

-1080n+360=0

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

-1080n=-360

n=-360/-1080

n=1/3

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