解方程-0.4x+0.1=-0.5x+0.2
问题描述:
解方程-0.4x+0.1=-0.5x+0.2
答
-0.4x+0.1=-0.5x+0.2
0.5x-0.4x=0.2-0.1
0.1x=0.1
x=1