(x-3)/(x+7)=3/8

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Solution for (x-3)/(x+7)=3/8 equation: 



(x-3)/(x+7)=3/8

We move all terms to the left:

(x-3)/(x+7)-(3/8)=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



We add all the numbers together, and all the variables

(x-3)/(x+7)-(+3/8)=0

We get rid of parentheses

(x-3)/(x+7)-3/8=0

We calculate fractions


(8x-24)/(8x+56)+(-3x-21)/(8x+56)=0

We multiply all the terms by the denominator


(8x-24)+(-3x-21)=0

We get rid of parentheses

8x-3x-24-21=0

We add all the numbers together, and all the variables

5x-45=0

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

5x=45

x=45/5

x=9

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