4/n=2/7

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Solution for 4/n=2/7 equation: 


D( n )

n = 0

n = 0

n = 0

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

4/n = 2/7 // - 2/7

4/n-(2/7) = 0

4/n-2/7 = 0

4*n^-1 = 2/7 // : 4

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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