30/100=b/40

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Solution for 30/100=b/40 equation: 



30/100=b/40

We move all terms to the left:

30/100-(b/40)=0

We add all the numbers together, and all the variables

-(+b/40)+30/100=0

We get rid of parentheses

-b/40+30/100=0

We calculate fractions

There is no solution for this equation

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