30/42=50/d

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Solution for 30/42=50/d equation: 



30/42=50/d

We move all terms to the left:

30/42-(50/d)=0



Domain of the equation: d)!=0

d!=0/1

d!=0

d∈R



We add all the numbers together, and all the variables

-(+50/d)+30/42=0

We get rid of parentheses

-50/d+30/42=0

We calculate fractions

There is no solution for this equation

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