4/x+9/x-5

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Solution for 4/x+9/x-5 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x+9/x-5 = 0

13*x^-1 = 5 // : 13

x^-1 = 5/13

-1 < 0

1/(x^1) = 5/13 // * x^1

1 = 5/13*x^1 // : 5/13

13/5 = x^1

x = 13/5

x = 13/5

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