2(2x-1)/0.01=0.03-3x/0.03-0.5
问题描述：
2(2x-1)/0.01=0.03-3x/0.03-0.5
答
上式等价于2（2x-1）*100 = 0.03-x/0.01-0.5
400x-200 = -0.47-100x
500x = 199.53
x=199.53/500 = 0.39906