4/2=20/x

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Solution for 4/2=20/x equation: 



4/2=20/x

We move all terms to the left:

4/2-(20/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(+20/x)+2=0

We get rid of parentheses

-20/x+2=0

We multiply all the terms by the denominator


2*x-20=0

We add all the numbers together, and all the variables

2x-20=0

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

2x=20

x=20/2

x=10

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