4/2=20/n

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Solution for 4/2=20/n equation: 



4/2=20/n

We move all terms to the left:

4/2-(20/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

-(+20/n)+4/2=0

We add all the numbers together, and all the variables

-(+20/n)+2=0

We get rid of parentheses

-20/n+2=0

We multiply all the terms by the denominator


2*n-20=0

We add all the numbers together, and all the variables

2n-20=0

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

2n=20

n=20/2

n=10

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