7/z+5=-3

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Solution for 7/z+5=-3 equation: 


D( z )

z = 0

z = 0

z = 0

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

7/z+5 = -3 // + 3

7/z+3+5 = 0

7*z^-1 = -8 // : 7

z^-1 = -8/7

-1 < 0

1/(z^1) = -8/7 // * z^1

1 = -8/7*z^1 // : -8/7

-7/8 = z^1

z = -7/8

z = -7/8

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