6/5=30/z-7

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Solution for 6/5=30/z-7 equation: 


D( z )

z = 0

z = 0

z = 0

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

6/5 = 30/z-7 // - 30/z-7

6/5-(30/z)+7 = 0

6/5-30*z^-1+7 = 0

-30*z^-1 = -41/5 // : -30

z^-1 = 41/150

-1 < 0

1/(z^1) = 41/150 // * z^1

1 = 41/150*z^1 // : 41/150

150/41 = z^1

z = 150/41

z = 150/41

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