b=3/7*a

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Solution for b=3/7*a equation: 



=3/7B

We move all terms to the left:

-(3/7B)=0



Domain of the equation: 7B)!=0

B!=0/1

B!=0

B∈R



We add all the numbers together, and all the variables

-(+3/7B)=0

We get rid of parentheses

-3/7B=0

We multiply all the terms by the denominator


-3!=0

There is no solution for this equation

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