0.4x-2.1/0.5-0.5-0.2x/0.03=0.6
问题描述:
0.4x-2.1/0.5-0.5-0.2x/0.03=0.6
答
方程可化为
(4x-21)/5-(50-20x)/3=3/5
12x-63-250+100x=9
112x=322
x=23/8