42/12=14/n

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Solution for 42/12=14/n equation: 


D( n )

n = 0

n = 0

n = 0

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

42/12 = 14/n // - 14/n

42/12-(14/n) = 0

42/12-14*n^-1 = 0

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

n^-1 = 1/4

-1 < 0

1/(n^1) = 1/4 // * n^1

1 = 1/4*n^1 // : 1/4

4 = n^1

n = 4

n = 4

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