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180-((n-2)180/n)=1
We move all terms to the left:
180-((n-2)180/n)-(1)=0
Domain of the equation: n)!=0We add all the numbers together, and all the variables
n!=0/1
n!=0
n∈R
-((n-2)180/n)+179=0
We multiply all the terms by the denominator
-((n-2)180+179*n)=0
We calculate terms in parentheses: -((n-2)180+179*n), so:We get rid of parentheses
(n-2)180+179*n
We add all the numbers together, and all the variables
179n+(n-2)180
We multiply parentheses
179n+180n-360
We add all the numbers together, and all the variables
359n-360
Back to the equation:
-(359n-360)
-359n+360=0
We move all terms containing n to the left, all other terms to the right
-359n=-360
n=-360/-359
n=1+1/359
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