4/x-3-4/7x-21=-2x=

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Solution for 4/x-3-4/7x-21=-2x= equation: 



4/x-3-4/7x-21=-2x=

We move all terms to the left:

4/x-3-4/7x-21-(-2x)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We add all the numbers together, and all the variables

4/x-4/7x-(-2x)-24=0

We get rid of parentheses

4/x-4/7x+2x-24=0

We calculate fractions


2x+28x/7x^2+(-4x)/7x^2-24=0

We multiply all the terms by the denominator


2x*7x^2+28x+(-4x)-24*7x^2=0

We add all the numbers together, and all the variables

28x+2x*7x^2+(-4x)-24*7x^2=0

Wy multiply elements

14x^3-168x^2+28x+(-4x)=0

We get rid of parentheses

14x^3-168x^2+28x-4x=0

We do not support expression: x^3

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