4/n=10/20

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Solution for 4/n=10/20 equation: 


D( n )

n = 0

n = 0

n = 0

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

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

4/n-(10/20) = 0

4/n-1/2 = 0

4*n^-1 = 1/2 // : 4

n^-1 = 1/8

-1 < 0

1/(n^1) = 1/8 // * n^1

1 = 1/8*n^1 // : 1/8

8 = n^1

n = 8

n = 8

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