3x/x-4=3/7

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Solution for 3x/x-4=3/7 equation: 



3x/x-4=3/7

We move all terms to the left:

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



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

3x/x-4-3/7=0

We calculate fractions


21x/7x+(-3x)/7x-4=0

We multiply all the terms by the denominator


21x+(-3x)-4*7x=0

Wy multiply elements

21x+(-3x)-28x=0

We get rid of parentheses

21x-3x-28x=0

We add all the numbers together, and all the variables

-10x=0

x=0/-10

x=0

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