Which of the following best describes the solution to the system of equations below? -x + 3y = -6 2x - 3y = 6 A. The system of equations has infinitely many solutions. B. The system of equations has exactly one solution where x = 0 and y = -2. C. The system of equations has exactly one solution where x = 1 and y = 2. D. The system of equations has no solution.