y1=-x+3,y2=3x-4,当x取何值时y1=y2?

y1=-x+3,y2=3x-4,当x取何值时y1=y2? 已知y1=-x+3,y2=3x-4,当x取何值时,y1＜y2?急、 已知Y1=3X+2 Y2=-2X+4当X取何值时.Y1大于Y2 已知一次函数y1=-x+3与y2=3x-1,当x取何值时,y1>y2?y1=y2?y1 已知y1=3x-2,y2=3+2x.当x取何值时,y1=y2? 已知：y1=3x-2,y2=3+2x.当x取何值时,y1=y2 已知两个一次函数y1=-x+3,已知两个一次函数y1=-x+3,y2=3x-4,当x取何值时,y1>y2?当x取何值时,y1 已知y1=3（5/3x-1/2),y2=4(1/2-x当想取何值时,y1=y2已知y1=3（5/3x-1/2),y2=4(1/2-x）当x取何值时,y1=y2当x取何值时,y1比y2大4?最好有想法！ 已知y1=3x+2,y2=4-x.(1)当x取何值时,y1=y2?(2)当x取何值时,y1比y2大4 已知Y1=3x+2,y2=4-x.(1）当x取何值时,y1=y2?(2) 当x取何值时,y1比y2大四? ,已知y1=5x+2,y2=4-3x 当x取何值时y1=y2?当X取何值时y1比y2大5? 已知y1＝-x+3,y2＝3x-4,当x取何值时y1＝y2?当x取何值时y1〉y2?当x取何值时y1〈y2? 若Y1=-X+3,Y2=3X-4 ,试确定当X取何值时：(1)Y1小于Y2 (2)Y1等于Y2 (3)Y1大于Y2 已知一次函数y1=—x+3,y2=3x—4,当x取何值时,y1>y2?当x取何值时,y1 若Y1=2X+3,y2=3x-1,当x取何值时,y1 已知y1=loga(x-1),y2=log(3-2x)求当x取何值时有y1 1.已知y1=-x 3,y2=3x-4,当x取何值时,y1>y2?你是怎样做的? 已知y1=1∕2x+4,y2＝3x-5,当x取何值时,y1比y2的2倍大3