x-1+3x/2>-3解:2.5x﹥-2 x﹥-0.8 5x-12≤2(4x-3)解:5x-12≤8x-6 3x≥6 x≥2②1-2(x-1)≤5解:1-2x+2≤5 2x≥-2 x≥-13x-2/2解:2x﹤3/2 x﹤3/4③-3(x-2)≥4-x解:-3x+6≥4-x 2x≤2 x≤12x-5/3解:x﹤5/3-1 x﹤2/3