(3x-1)／6-(13-x)／3≥7x／2-11﹙x+3﹚／5,
两边都乘以30,得5(3x-1)-10(13-x)>=105x-66(x+3),
去括号得15x-5-130+10x>=105x-66x-198,
整理得63>=14x,
∴x