4/x-1=5/x

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Solution for 4/x-1=5/x equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x-1 = 5/x // - 5/x

4/x-(5/x)-1 = 0

4/x-5*x^-1-1 = 0

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

x^-1 = -1

-1 < 0

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

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

-1 = x^1

x = -1

x = -1

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