12/42=15/x

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Solution for 12/42=15/x equation: 



12/42=15/x

We move all terms to the left:

12/42-(15/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

-(+15/x)+12/42=0

We get rid of parentheses

-15/x+12/42=0

We calculate fractions

There is no solution for this equation

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