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
等式两边同时乘以0.03,得到6(2x-1) =0.0009-3x-0.015
整理得15x=5.9859
所以x=0.39906
答
x=0.39906
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