x-4/1x=8/3 x-0.8x=22 3/2x+2/1x=42
问题描述:
x-4/1x=8/3 x-0.8x=22 3/2x+2/1x=42
x-4/1x=8/3 x-0.8x=22 3/2x+2/1x=42
答
x-四分之一x=八分之三
0.75x=八分之三
x=1/2
X-0.8X=22
0.2x=22
x=22/0.2
x=110
三分之二X+二分之一X=42
7/6x=42
x=42*6/7
x=36