9/n=18/2

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Solution for 9/n=18/2 equation: 


D( n )

n = 0

n = 0

n = 0

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

9/n = 18/2 // - 18/2

9/n-(18/2) = 0

9/n-9 = 0

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

n^-1 = 1

-1 < 0

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

1 = 1*n^1 // : 1

1 = n^1

n = 1

n = 1

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