2/5=4/7a

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Solution for 2/5=4/7a equation: 



2/5=4/7a

We move all terms to the left:

2/5-(4/7a)=0



Domain of the equation: 7a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+4/7a)+2/5=0

We get rid of parentheses

-4/7a+2/5=0

We calculate fractions

There is no solution for this equation

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