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160=(180(n-2))/n
We move all terms to the left:
160-((180(n-2))/n)=0
Domain of the equation: n)!=0We multiply all the terms by the denominator
n!=0/1
n!=0
n∈R
-((180(n-2))+160*n)=0
We calculate terms in parentheses: -((180(n-2))+160*n), so:We get rid of parentheses
(180(n-2))+160*n
We add all the numbers together, and all the variables
160n+(180(n-2))
We calculate terms in parentheses: +(180(n-2)), so:We get rid of parentheses
180(n-2)
We multiply parentheses
180n-360
Back to the equation:
+(180n-360)
160n+180n-360
We add all the numbers together, and all the variables
340n-360
Back to the equation:
-(340n-360)
-340n+360=0
We move all terms containing n to the left, all other terms to the right
-340n=-360
n=-360/-340
n=1+1/17
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