3/x-1/7=5/x

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Solution for 3/x-1/7=5/x equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x-(1/7) = 5/x // - 5/x

3/x-(5/x)-(1/7) = 0

3/x-5*x^-1-1/7 = 0

-2*x^-1 = 1/7 // : -2

x^-1 = -1/14

-1 < 0

1/(x^1) = -1/14 // * x^1

1 = -1/14*x^1 // : -1/14

-14 = x^1

x = -14

x = -14

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