8/x+9=5/(2x)+15/4

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Solution for 8/x+9=5/(2x)+15/4 equation: 


D( x )

x = 0

2*x = 0

x = 0

x = 0

2*x = 0

2*x = 0

2*x = 0 // : 2

x = 0

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

8/x+9 = 5/(2*x)+15/4 // - 5/(2*x)+15/4

8/x-(5/(2*x))-(15/4)+9 = 0

8/x+(-5/2)*x^-1-15/4+9 = 0

11/2*x^-1 = -21/4 // : 11/2

x^-1 = -21/22

-1 < 0

1/(x^1) = -21/22 // * x^1

1 = -21/22*x^1 // : -21/22

-22/21 = x^1

x = -22/21

x = -22/21

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