briseidareveles2 briseidareveles2 30-09-2021 Mathematics contestada Solve the system of equations. x + y +z = 9 - 2x + y + 2z = 3 (x - 4y - z=2 A (0, 15, -6) B (3,3,3) C (4, -1, 6) D (7, 1, 1)
