(15/9)=(8/z)

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Solution for (15/9)=(8/z) equation: 


D( z )

z = 0

z = 0

z = 0

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

15/9 = 8/z // - 8/z

15/9-(8/z) = 0

15/9-8*z^-1 = 0

-8*z^-1 = -5/3 // : -8

z^-1 = 5/24

-1 < 0

1/(z^1) = 5/24 // * z^1

1 = 5/24*z^1 // : 5/24

24/5 = z^1

z = 24/5

z = 24/5

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