(0.2x-0.1)/0.3 - 2= (x-1)/0.4 解方程

问题描述:

(0.2x-0.1)/0.3 - 2= (x-1)/0.4 解方程

(0.2x-0.1)/0.3 - 2= (x-1)/0.4 左右同乘1.2 4(0.2x-0.1)-2.4=3(x-1) 0.8x-0.4-2.4=3x-3 3x-0.8x=0.2 2.2x=0.2 x=1/11