最高のコレクション X 2y=5 Y=-2x-2 585236-X+2y=5 2x+y=-2 Plano Cartesiano
Click here to see ALL problems on Evaluation Word Problems Question x = 7 2y 2x y = 5 Solved by substitution or elimination Answer by oscargut (2103) ( Show Source ) You can putFurther for the range of y values, let us square the equation (1) both side, we get, (y x)^2 = (1 x^2) or 2x^2 2xy (y^2 1) = 0 Which is quadratic in x Since x is real, therefore discriminantTìm x, y biết x 2 2xy2y 2 2x2y5=0 Tính P= \(\frac{xyxy13}{4xy}\) Lớp 8 Toán 0 0 Lớp học trực tuyến Vật lí Cô Minh Anh Sinh học 8 Cô Ánh Hoá học 8 Cô Hồng Anh Hoá học 8 Answered 3 X Y 2z 5 X 2y Z 2 2x Bartleby X+2y=5 2x+y=-2 plano cartesiano