(n-2)180/n=160.

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Solution for (n-2)180/n=160. equation:



(n-2)180/n=160.
We move all terms to the left:
(n-2)180/n-(160.)=0
Domain of the equation: n!=0
n∈R
We add all the numbers together, and all the variables
(n-2)180/n-160=0
We multiply all the terms by the denominator
(n-2)180-160*n=0
We add all the numbers together, and all the variables
-160n+(n-2)180=0
We multiply parentheses
-160n+180n-360=0
We add all the numbers together, and all the variables
20n-360=0
We move all terms containing n to the left, all other terms to the right
20n=360
n=360/20
n=18

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