(20)/(7x)+(2/3)=(6)/(7x)

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Solution for (20)/(7x)+(2/3)=(6)/(7x) equation: 


D( x )

7*x = 0

7*x = 0

7*x = 0

7*x = 0 // : 7

x = 0

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

20/(7*x)+2/3 = 6/(7*x) // - 6/(7*x)

20/(7*x)-(6/(7*x))+2/3 = 0

20/(7*x)+(-6/7)*x^-1+2/3 = 0

2*x^-1 = -2/3 // : 2

x^-1 = -1/3

-1 < 0

1/(x^1) = -1/3 // * x^1

1 = -1/3*x^1 // : -1/3

-3 = x^1

x = -3

x = -3

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