jasonmc36456 jasonmc36456 19-05-2020 Mathematics contestada 2x + y = 12 x = 9 - 2y x + 2y = 9 2x + 4y = 20 x + 3y = 16 2x - y = 11 y = 11 - 2x 4x - 3y = -13 y = 10 + x -3x + 3y = 30 2x + y = 11 x-2y=-7 x = 2, y = 7 x = 5, y = 2 > x= 3, y=5 x = 7, y=3
