(1.5x-1)/3-(x/0.6)=0.5 怎么算?请把每一步都写出来
问题描述:
(1.5x-1)/3-(x/0.6)=0.5 怎么算?请把每一步都写出来
答
(1.5x-1)/3-(x/0.6)=0.5
写成分数,两边X1.8,得0.9x-0.6-3x=0.9
-2.1x=1.5
化简得x=-5/7