20/10=5/n

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Solution for 20/10=5/n equation:


D( n )

n = 0

n = 0

n = 0

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

20/10 = 5/n // - 5/n

20/10-(5/n) = 0

20/10-5*n^-1 = 0

-5*n^-1 = -2 // : -5

n^-1 = 2/5

-1 < 0

1/(n^1) = 2/5 // * n^1

1 = 2/5*n^1 // : 2/5

5/2 = n^1

n = 5/2

n = 5/2

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