y/3-x+1/6=3 2(x-y/2)=3(x+y/18)y/3-x+1/6=32(x-y/2)=3(x+y/18)
问题描述:
y/3-x+1/6=3 2(x-y/2)=3(x+y/18)
y/3-x+1/6=3
2(x-y/2)=3(x+y/18)
答
2y-6x=17.1
2x-y-3x-y/6=0
12x-6y-18x-y=0
6x+7y=0.2
1+2:9y=17
y=17/9
x=119/54