4/n=28/42

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Solution for 4/n=28/42 equation: 


D( n )

n = 0

n = 0

n = 0

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

4/n = 28/42 // - 28/42

4/n-(28/42) = 0

4/n-2/3 = 0

4*n^-1 = 2/3 // : 4

n^-1 = 1/6

-1 < 0

1/(n^1) = 1/6 // * n^1

1 = 1/6*n^1 // : 1/6

6 = n^1

n = 6

n = 6

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