3/n=12/28

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Solution for 3/n=12/28 equation: 


D( n )

n = 0

n = 0

n = 0

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

3/n = 12/28 // - 12/28

3/n-(12/28) = 0

3/n-3/7 = 0

3*n^-1 = 3/7 // : 3

n^-1 = 1/7

-1 < 0

1/(n^1) = 1/7 // * n^1

1 = 1/7*n^1 // : 1/7

7 = n^1

n = 7

n = 7

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