(x+4)/x=3/7

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



(x+4)/x=3/7

We move all terms to the left:

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



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We calculate fractions


(7x+28)/7x+(-3x)/7x=0

We multiply all the terms by the denominator


(7x+28)+(-3x)=0

We get rid of parentheses

7x-3x+28=0

We add all the numbers together, and all the variables

4x+28=0

We move all terms containing x to the left, all other terms to the right

4x=-28

x=-28/4

x=-7

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