5/15=12/n

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Solution for 5/15=12/n equation: 


D( n )

n = 0

n = 0

n = 0

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

5/15 = 12/n // - 12/n

5/15-(12/n) = 0

5/15-12*n^-1 = 0

-12*n^-1 = -1/3 // : -12

n^-1 = 1/36

-1 < 0

1/(n^1) = 1/36 // * n^1

1 = 1/36*n^1 // : 1/36

36 = n^1

n = 36

n = 36

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