45/85=9/n

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Solution for 45/85=9/n equation: 


D( n )

n = 0

n = 0

n = 0

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

45/85 = 9/n // - 9/n

45/85-(9/n) = 0

45/85-9*n^-1 = 0

-9*n^-1 = -9/17 // : -9

n^-1 = 1/17

-1 < 0

1/(n^1) = 1/17 // * n^1

1 = 1/17*n^1 // : 1/17

17 = n^1

n = 17

n = 17

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