18/4=27/n

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Solution for 18/4=27/n equation: 


D( n )

n = 0

n = 0

n = 0

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

18/4 = 27/n // - 27/n

18/4-(27/n) = 0

18/4-27*n^-1 = 0

-27*n^-1 = -9/2 // : -27

n^-1 = 1/6

-1 < 0

1/(n^1) = 1/6 // * n^1

1 = 1/6*n^1 // : 1/6

6 = n^1

n = 6

n = 6

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