((n-2)180)/n=30

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Solution for ((n-2)180)/n=30 equation: 



((n-2)180)/n=30

We move all terms to the left:

((n-2)180)/n-(30)=0



Domain of the equation: n!=0

n∈R



We multiply all the terms by the denominator


((n-2)180)-30*n=0



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

(n-2)180

We multiply parentheses

180n-360

Back to the equation:

+(180n-360)



We add all the numbers together, and all the variables

-30n+(180n-360)=0

We get rid of parentheses

-30n+180n-360=0

We add all the numbers together, and all the variables

150n-360=0

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

150n=360

n=360/150

n=2+2/5

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