8/u-1=-3

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Solution for 8/u-1=-3 equation: 


D( u )

u = 0

u = 0

u = 0

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

8/u-1 = -3 // + 3

8/u-1+3 = 0

8*u^-1 = -2 // : 8

u^-1 = -1/4

-1 < 0

1/(u^1) = -1/4 // * u^1

1 = -1/4*u^1 // : -1/4

-4 = u^1

u = -4

u = -4

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