(0.1x-0.2)÷0.5-(0.01x+0.03)÷0.01=(2x-5)÷3-3的解
问题描述:
(0.1x-0.2)÷0.5-(0.01x+0.03)÷0.01=(2x-5)÷3-3的解
答
(0.1x-0.2)÷0.5-(0.01x+0.03)÷0.01=(2x-5)÷3-3
===>0.2x-0.4-x-3=2/3x-3/5-3
===>8/15x=0.4-3/5
===>x=-3/8