8/n=4/10

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Solution for 8/n=4/10 equation: 


D( n )

n = 0

n = 0

n = 0

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

8/n = 4/10 // - 4/10

8/n-(4/10) = 0

8/n-2/5 = 0

8*n^-1 = 2/5 // : 8

n^-1 = 1/20

-1 < 0

1/(n^1) = 1/20 // * n^1

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

20 = n^1

n = 20

n = 20

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