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455/5=7.5/n
We move all terms to the left:
455/5-(7.5/n)=0
Domain of the equation: n)!=0We add all the numbers together, and all the variables
n!=0/1
n!=0
n∈R
-(+7.5/n)+455/5=0
We add all the numbers together, and all the variables
-(+7.5/n)+91=0
We get rid of parentheses
-7.5/n+91=0
We multiply all the terms by the denominator
91*n-7.5=0
We add all the numbers together, and all the variables
91n-7.5=0
We move all terms containing n to the left, all other terms to the right
91n=7.5
n=7.5/91
n=1/12.133333333333
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