X+3/3>X-1/5+2/3(x+3)/3>(x-1)/5+2/3[5(x+3)-3(x-1)]/15>2/3(2x+18)>10x>-4X+1/3-(X+2)/2>-1/6[2(x+1)-3(x+2)]/6>-1/6(-x-4)>-1x+4<1x<-35(X-A)>3X-A5x-5a>3x-a2x>4ax>2a-42a的交集是:2a所以2a>=-4,2a<-3a>=-2,a<-3/2-2<=a<-3/2