30/2=45/n

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Solution for 30/2=45/n equation: 



30/2=45/n

We move all terms to the left:

30/2-(45/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

-(+45/n)+30/2=0

We add all the numbers together, and all the variables

-(+45/n)+15=0

We get rid of parentheses

-45/n+15=0

We multiply all the terms by the denominator


15*n-45=0

We add all the numbers together, and all the variables

15n-45=0

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

15n=45

n=45/15

n=3

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