10/b-9=9/8

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Solution for 10/b-9=9/8 equation: 


D( b )

b = 0

b = 0

b = 0

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

10/b-9 = 9/8 // - 9/8

10/b-(9/8)-9 = 0

10/b-9/8-9 = 0

10*b^-1 = 81/8 // : 10

b^-1 = 81/80

-1 < 0

1/(b^1) = 81/80 // * b^1

1 = 81/80*b^1 // : 81/80

80/81 = b^1

b = 80/81

b = 80/81

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