4/n=20/55

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Solution for 4/n=20/55 equation: 


D( n )

n = 0

n = 0

n = 0

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

4/n = 20/55 // - 20/55

4/n-(20/55) = 0

4/n-4/11 = 0

4*n^-1 = 4/11 // : 4

n^-1 = 1/11

-1 < 0

1/(n^1) = 1/11 // * n^1

1 = 1/11*n^1 // : 1/11

11 = n^1

n = 11

n = 11

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