5-8/x=9

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Solution for 5-8/x=9 equation: 


D( x )

x = 0

x = 0

x = 0

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

5-(8/x) = 9 // - 9

5-(8/x)-9 = 0

5-8*x^-1-9 = 0

-8*x^-1 = 4 // : -8

x^-1 = -1/2

-1 < 0

1/(x^1) = -1/2 // * x^1

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

-2 = x^1

x = -2

x = -2

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