等式俩边同时乘以12,即可!
原式:4(2X-1)+12<=3(3X+2)8X-4+12<=9X+6X<=2望采纳谢谢
两边同乘12得4(2x-1)+12≤3(3x+2)8x-4+12≤9x+6-x≤-2x≥2望采纳~