已知y1;=3x+2,y2;=4-x,当x取何值时,y¹比y²小4?
已知y1;=3x+2,y2;=4-x,当x取何值时,y¹比y²小4?
1.已知y1=-x+2,y2=3x+4,当x分别取何值时,y1=y2,y1<y2,y1>y2?
已知y1=6-x,y2=2+7x,若①y1=2y2,求x的值;②当x取何值时,y1比y2小-3;③当x取何值时,y1与y
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.当X取何值时,y1比y2大4?
已知y1=二分之+4,y2=3x-5,当x取何值时,y1比y2的2倍大3?
已知y1=2x+8,y2=6-2x (1)当x取何值时,y1=y2? (2)当x取何值时,y1比y2小10
已知:y1=3/2x-1,y2=4/X+2.当X取何值时,Y1比Y2小1 (正确答案是负5分之2)
已知:y1=2(3x+4),y2=5(2x-8)当x取何值时(1)y1与y2互为相反数?(2)y
1.已知y1=2x²+7x-1,y2=6x+2,当x取何值时y1=y2?
已知y1等于二分之一x加4 y2等于3x减5 当x取何值时,y1比y2的2倍大3
已知y1=3(5/3x-1/2),y2=4(1/2-x当想取何值时,y1=y2