(7/u-6)=3

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Solution for (7/u-6)=3 equation: 


D( u )

u = 0

u = 0

u = 0

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

7/u-6 = 3 // - 3

7/u-6-3 = 0

7*u^-1 = 9 // : 7

u^-1 = 9/7

-1 < 0

1/(u^1) = 9/7 // * u^1

1 = 9/7*u^1 // : 9/7

7/9 = u^1

u = 7/9

u = 7/9

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