2/x-7=1/x

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


D( x )

x = 0

x = 0

x = 0

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

2/x-7 = 1/x // - 1/x

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

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

1*x^-1 = 7 // : 1

x^-1 = 7

-1 < 0

1/(x^1) = 7 // * x^1

1 = 7*x^1 // : 7

1/7 = x^1

x = 1/7

x = 1/7

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