21-x/x=2/1

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


D( x )

x = 0

x = 0

x = 0

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

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

21-(x/x)-(2/1) = 0

21-2-1 = 0

18 = 0

x belongs to the empty set

x belongs to the empty set

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