21/1=28/x

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Solution for 21/1=28/x equation: 



21/1=28/x

We move all terms to the left:

21/1-(28/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

-(+28/x)+21/1=0

We add all the numbers together, and all the variables

-(+28/x)=0

We get rid of parentheses

-28/x=0

We multiply all the terms by the denominator


-28!=0

There is no solution for this equation

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