(3x+15)/(7x+35)=3/7

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Solution for (3x+15)/(7x+35)=3/7 equation: 



(3x+15)/(7x+35)=3/7

We move all terms to the left:

(3x+15)/(7x+35)-(3/7)=0



Domain of the equation: (7x+35)!=0

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

7x!=-35

x!=-35/7

x!=-5

x∈R



We add all the numbers together, and all the variables

(3x+15)/(7x+35)-(+3/7)=0

We get rid of parentheses

(3x+15)/(7x+35)-3/7=0

We calculate fractions


(21x+105)/(49x+245)+(-21x-105)/(49x+245)=0

We multiply all the terms by the denominator


(21x+105)+(-21x-105)=0

We get rid of parentheses

21x-21x+105-105=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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