8/n=12/21

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Solution for 8/n=12/21 equation: 


D( n )

n = 0

n = 0

n = 0

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

8/n = 12/21 // - 12/21

8/n-(12/21) = 0

8/n-4/7 = 0

8*n^-1 = 4/7 // : 8

n^-1 = 1/14

-1 < 0

1/(n^1) = 1/14 // * n^1

1 = 1/14*n^1 // : 1/14

14 = n^1

n = 14

n = 14

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