解:x-3(x-1)>=7则 -2x+3.=7-4>=2xx<=-2整数解:-2,-3,-4,...则 -1-n (n为正整数) 1-(2-5x)/3则 3-2+5x<3x2x<-1x<-1/2整数解:-1,-2,-3,...则 -n (n为正整数)