x/3-(y-1)/6=3 2(y-x/2)=3(y-x/18)
问题描述:
x/3-(y-1)/6=3 2(y-x/2)=3(y-x/18)
x/3-(y-1)/6=3
2(y-x/2)=3(y-x/18)
答
x/3-(y-1)/6=3………………(1)
2(y-x/2)=3(y-x/18)…………(2)
整理(1),得:
2x-y+1=18
y=2x-17…………(3)
整理(2),得:
2y-x=3y-x/6
y=-5/6*x
与(3)联立,得:
2x-17=-5/6*x
17/6*x=17
x=6
代入(3),得:
y=2×6-17=-5
方程组的解为:
x=6
y=-5