3/u-7=8

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Solution for 3/u-7=8 equation: 


D( u )

u = 0

u = 0

u = 0

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

3/u-7 = 8 // - 8

3/u-8-7 = 0

3*u^-1 = 15 // : 3

u^-1 = 5

-1 < 0

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

1 = 5*u^1 // : 5

1/5 = u^1

u = 1/5

u = 1/5

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