2/7=14/n

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Solution for 2/7=14/n equation: 


D( n )

n = 0

n = 0

n = 0

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

2/7 = 14/n // - 14/n

2/7-(14/n) = 0

2/7-14*n^-1 = 0

-14*n^-1 = -2/7 // : -14

n^-1 = 1/49

-1 < 0

1/(n^1) = 1/49 // * n^1

1 = 1/49*n^1 // : 1/49

49 = n^1

n = 49

n = 49

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