9/x-4=3x/x-4

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Solution for 9/x-4=3x/x-4 equation: 



9/x-4=3x/x-4

We move all terms to the left:

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



Domain of the equation: x!=0

x∈R





Domain of the equation: x-4)!=0

x∈R



We get rid of parentheses

9/x-3x/x+4-4=0

We multiply all the terms by the denominator


-3x+4*x-4*x+9=0

We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

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