28/z=16/15

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Solution for 28/z=16/15 equation: 


D( z )

z = 0

z = 0

z = 0

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

28/z = 16/15 // - 16/15

28/z-(16/15) = 0

28/z-16/15 = 0

28*z^-1 = 16/15 // : 28

z^-1 = 4/105

-1 < 0

1/(z^1) = 4/105 // * z^1

1 = 4/105*z^1 // : 4/105

105/4 = z^1

z = 105/4

z = 105/4

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