0.3x+0.65=0.4x+0.5
问题描述:
0.3x+0.65=0.4x+0.5
答
(0.3-0.4)x=0.5-0.65
-0.1x=-0.15
x=1.5
0.3x+0.65=0.4x+0.5
(0.3-0.4)x=0.5-0.65
-0.1x=-0.15
x=1.5