(0.4x-9)/0.5-(x-5)/2=(0.03+0.02x)/0.032(0.4x-9)-(x-5)/2=(3+2x)/3两边同时乘以6,得12(0.4x-9)-3(x-5)=2(3+2x)4.8x-108-3x+15=6+4x1.8x-4x=6+108-15-2.2x=99x=99÷(-2.2)x=-45【梦华幻斗】团队为您答题.请点击下面...