18/3=54/n

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Solution for 18/3=54/n equation: 


D( n )

n = 0

n = 0

n = 0

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

18/3 = 54/n // - 54/n

18/3-(54/n) = 0

18/3-54*n^-1 = 0

-54*n^-1 = -6 // : -54

n^-1 = 1/9

-1 < 0

1/(n^1) = 1/9 // * n^1

1 = 1/9*n^1 // : 1/9

9 = n^1

n = 9

n = 9

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