D=360-180/n

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Solution for D=360-180/n equation:



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

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