7/x-2-1/x=8

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Solution for 7/x-2-1/x=8 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x-(1/x)-2 = 8 // - 8

7/x-(1/x)-8-2 = 0

7/x-x^-1-8-2 = 0

6*x^-1 = 10 // : 6

x^-1 = 5/3

-1 < 0

1/(x^1) = 5/3 // * x^1

1 = 5/3*x^1 // : 5/3

3/5 = x^1

x = 3/5

x = 3/5

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