方程80(x-0.5)=60(x+0.5)怎么解?
问题描述：
方程80(x-0.5)=60(x+0.5)怎么解?
答
80(x-0.5)=60(x+0.5)
80x-40=60x+30
80x-60x=30+40
20x=70
x=70/20
x=3.5