(X-1)/2>(X+1)/3 -13(X-1)>2(X+1) -63X-3>2X+2 -6X> -1||X|-1|≤2-2≤|X|-1≤2-1≤|X|≤3等效于|x|≤3-3≤x≤3取X> -1 与-3≤x≤3的交集:-1<x≤3