21=336/n

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Solution for 21=336/n equation: 



21=336/n

We move all terms to the left:

21-(336/n)=0



Domain of the equation: n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-(+336/n)+21=0

We get rid of parentheses

-336/n+21=0

We multiply all the terms by the denominator


21*n-336=0

We add all the numbers together, and all the variables

21n-336=0

We move all terms containing n to the left, all other terms to the right

21n=336

n=336/21

n=16

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