2x y 4 xy 2 July 8, 2019 16 32 64 128 2x y 4 4x y 2 2x y 4 xy 2x =- 12 2x y 4 2x xy =- 8 2x y 26 xy 4 2x y 20 xy 4 Xy 2 2x y 4 substituição Graph the system of equations 2x y 4 xy =- 2 2x + y = 4
