2x=1/2(0.75x+0.5) 怎么解
问题描述:
2x=1/2(0.75x+0.5) 怎么解
答
2x=1/2(0.75x+0.5)
4x=0.75x+0.5
16x=3x+2
13x=2
x=2//13