5/(x+7)=3/(x+3)

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Solution for 5/(x+7)=3/(x+3) equation: 



5/(x+7)=3/(x+3)

We move all terms to the left:

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



Domain of the equation: (x+7)!=0

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

x!=-7

x∈R





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

x∈R



We calculate fractions


5x/((x+7)*(x+3)))+(-(3*(x+7))/((x+7)*(x+3)))=0



We calculate terms in parentheses: -(3*(x+7))/((x+7)*(x+3))), so:

3*(x+7))/((x+7)*(x+3))

We multiply all the terms by the denominator


3*(x+7))

We multiply parentheses

3x+

We add all the numbers together, and all the variables

3x

Back to the equation:

-(3x)



We add all the numbers together, and all the variables

-3x+5x/((x+7)*(x+3)))+(=0

We multiply all the terms by the denominator


-3x*((x+7)*(x+3)))+(+5x=0

We add all the numbers together, and all the variables

5x-3x*((x+7)*(x+3)))+(=0

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