2/1=21-n/n

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Solution for 2/1=21-n/n equation: 


D( n )

n = 0

n = 0

n = 0

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

2/1 = 21-(n/n) // - 21-(n/n)

n/n+2/1-21 = 0

n/n-21+2 = 0

-18 = 0

n belongs to the empty set

n belongs to the empty set

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