解方程组x/4=y/5=z/6 2x+3y-4y+3=0

题目

解方程组x/4=y/5=z/6 2x+3y-4y+3=0
x/4=y/5=z/6 2x+3y-4y+3=0

答案

设x/4=y/5=z/6 =m
x=4m,y=5m,z=6m
2x+3y-4z+3=0
8m+15m-24m+3=0
m=3
x=4m=12
y=5m=15
z=6m=18