若x,y满足|2x-y-3|+|3x+2y+1|=0,则x= y=
问题描述:
若x,y满足|2x-y-3|+|3x+2y+1|=0,则x= y=
答
2x-y-3=3x+2y+1=0,x=5/7,y=-11/7
若x,y满足|2x-y-3|+|3x+2y+1|=0,则x= y=
2x-y-3=3x+2y+1=0,x=5/7,y=-11/7