7+7/z+7=8

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Solution for 7+7/z+7=8 equation: 


D( z )

z = 0

z = 0

z = 0

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

7/z+7+7 = 8 // - 8

7/z-8+7+7 = 0

7*z^-1 = -6 // : 7

z^-1 = -6/7

-1 < 0

1/(z^1) = -6/7 // * z^1

1 = -6/7*z^1 // : -6/7

-7/6 = z^1

z = -7/6

z = -7/6

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