2/7=4/(x+3)

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Solution for 2/7=4/(x+3) equation: 



2/7=4/(x+3)

We move all terms to the left:

2/7-(4/(x+3))=0



Domain of the equation: (x+3))!=0

x∈R



We calculate fractions


()/7x+2x/7x=0

We multiply all the terms by the denominator


2x+()=0

We add all the numbers together, and all the variables

2x=0

x=0/2

x=0

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