2/(x+3)=4/x

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



2/(x+3)=4/x

We move all terms to the left:

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



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

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

x!=-3

x∈R





Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We calculate fractions


2x/(x^2+3x)+(-4x-12)/(x^2+3x)=0

We multiply all the terms by the denominator


2x+(-4x-12)=0

We get rid of parentheses

2x-4x-12=0

We add all the numbers together, and all the variables

-2x-12=0

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

-2x=12

x=12/-2

x=-6

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