10/20=20/n

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Solution for 10/20=20/n equation: 


D( n )

n = 0

n = 0

n = 0

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

10/20 = 20/n // - 20/n

10/20-(20/n) = 0

10/20-20*n^-1 = 0

-20*n^-1 = -1/2 // : -20

n^-1 = 1/40

-1 < 0

1/(n^1) = 1/40 // * n^1

1 = 1/40*n^1 // : 1/40

40 = n^1

n = 40

n = 40

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