(19/x+8)-(9/-x-8)

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Solution for (19/x+8)-(9/-x-8) equation: 


D( x )

x = 0

-x = 0

x = 0

x = 0

-x = 0

x = 0

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

19/x-(9/(-x))+8+8 = 0

19/x+9*x^-1+8+8 = 0

28*x^-1 = -16 // : 28

x^-1 = -4/7

-1 < 0

1/(x^1) = -4/7 // * x^1

1 = -4/7*x^1 // : -4/7

-7/4 = x^1

x = -7/4

x = -7/4

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