Question

2（2x-1)/0.01-2.5=0.2-20x/0.2-3.5

Answer 1

2（2 x - 1）/ 0.01 - 2.5 = 0.2 - 20 x / 0.2 - 3.5

两边乘以 100 得：

2（2 x - 1）- 250 = 20 - 400 x - 350

4 x - 2 - 250 = - 400 x - 330

404...