已知y¹=4x+6,y²=3-x (1)当x取何值时,y¹与y已知y¹=4x+6,y²=3-x(1)当x取何值时,y¹与y²互为相反数?(2)当x取何值时,y¹比y²大4?
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已知y¹=4x+6,y²=3-x (1)当x取何值时,y¹与y已知y¹=4x+6,y²=3-x(1)当x取何值时,y¹与y²互为相反数?(2)当x取何值时,y¹比y²大4?
已知y¹=4x+6,y²=3-x (1)当x取何值时,y¹与y
已知y¹=4x+6,y²=3-x
(1)当x取何值时,y¹与y²互为相反数?
(2)当x取何值时,y¹比y²大4?
已知y¹=4x+6,y²=3-x (1)当x取何值时,y¹与y已知y¹=4x+6,y²=3-x(1)当x取何值时,y¹与y²互为相反数?(2)当x取何值时,y¹比y²大4?
(1)-3
(2)1/5
(1)