12/n=4/21

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Solution for 12/n=4/21 equation: 


D( n )

n = 0

n = 0

n = 0

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

12/n = 4/21 // - 4/21

12/n-(4/21) = 0

12/n-4/21 = 0

12*n^-1 = 4/21 // : 12

n^-1 = 1/63

-1 < 0

1/(n^1) = 1/63 // * n^1

1 = 1/63*n^1 // : 1/63

63 = n^1

n = 63

n = 63

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