3/z-4/5=-1/5

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Solution for 3/z-4/5=-1/5 equation: 


D( z )

z = 0

z = 0

z = 0

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

3/z-(4/5) = -1/5 // + -1/5

3/z-(4/5)-(-1/5) = 0

3/z-4/5+1/5 = 0

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

z^-1 = 1/5

-1 < 0

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

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

5 = z^1

z = 5

z = 5

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