10/40=30/x

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Solution for 10/40=30/x equation: 



10/40=30/x

We move all terms to the left:

10/40-(30/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

-(+30/x)+10/40=0

We get rid of parentheses

-30/x+10/40=0

We calculate fractions

There is no solution for this equation

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