cjbatma102 cjbatma102 30-04-2021 Mathematics contestada What is the solution to this system of equations? x − 2y = 15 2x + 4y = -18 A. x = 1, y = -6 B. x = 1, y = -7 C. x = 3, y = -6 D. x = 3, y = -7