4/n=3/7/30

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Solution for 4/n=3/7/30 equation: 


D( n )

n = 0

n = 0

n = 0

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

4/n = (3/7)/30 // - (3/7)/30

4/n-((3/7)/30) = 0

4/n-1/70 = 0

4*n^-1 = 1/70 // : 4

n^-1 = 1/280

-1 < 0

1/(n^1) = 1/280 // * n^1

1 = 1/280*n^1 // : 1/280

280 = n^1

n = 280

n = 280

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