2/(3x)-4/(7x)=-(5/9)

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Solution for 2/(3x)-4/(7x)=-(5/9) equation: 


D( x )

3*x = 0

7*x = 0

3*x = 0

3*x = 0

3*x = 0 // : 3

x = 0

7*x = 0

7*x = 0

7*x = 0 // : 7

x = 0

x in (-oo:0) U (0:+oo)

2/(3*x)-(4/(7*x)) = -(5/9) // + 5/9

2/(3*x)-(4/(7*x))+5/9 = 0

2/(3*x)+(-4/7)*x^-1+5/9 = 0

2/21*x^-1 = -5/9 // : 2/21

x^-1 = -35/6

-1 < 0

1/(x^1) = -35/6 // * x^1

1 = -35/6*x^1 // : -35/6

-6/35 = x^1

x = -6/35

x = -6/35

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