2/7=3/n

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Solution for 2/7=3/n equation: 


D( n )

n = 0

n = 0

n = 0

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

2/7 = 3/n // - 3/n

2/7-(3/n) = 0

2/7-3*n^-1 = 0

-3*n^-1 = -2/7 // : -3

n^-1 = 2/21

-1 < 0

1/(n^1) = 2/21 // * n^1

1 = 2/21*n^1 // : 2/21

21/2 = n^1

n = 21/2

n = 21/2

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