若Y1=2X+3,y2=3x-1,当x取何值时,y1

若Y1=2X+3,y2=3x-1,当x取何值时,y1 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 y1=X+3 y2=2-x当x取几时y1=y2?当x取几是y1比y2大5? 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Y1=3X+2 Y2=-2X+4当X取何值时.Y1大于Y2 已知y1=loga(x-1),y2=log(3-2x)求当x取何值时有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=5x-8,y2=12x+6,当x取何值时1/2y1-1/3y2=2x 已知y1=x^2-2x+3,y2=3x-1,当x取什么值时,y1于y2相等 已知y1=5x-8,y2=12x+6当x取何值时,y1-1/3y2=2x 已知y1=5x-8,y2=12x+6,当x取何值时,y1-1/3y2=2x? 已知Y1=3x+1,Y2=5x-3 (1)当x取何值时,y1=y2?(2)当X取何值时,y2比y1的3倍小2? 已知Y1=2x+3,y2=1-二分之一x.(1)当x取何值时,y1-3y2=0?（2）当x取何值时,三分之一y1比2y2大1? 已知y1=-2x+3,y2=3x-2（1）当x取何值时,y1=y2?（2）当x取何值时,y1比y2小5? 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=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