9/x-4=1

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Solution for 9/x-4=1 equation: 


D( x )

x = 0

x = 0

x = 0

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

9/x-4 = 1 // - 1

9/x-4-1 = 0

9*x^-1 = 5 // : 9

x^-1 = 5/9

-1 < 0

1/(x^1) = 5/9 // * x^1

1 = 5/9*x^1 // : 5/9

9/5 = x^1

x = 9/5

x = 9/5

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