Use the Gauss-Jordan method to solve the system of equations. - 10x - 3y = - 15 4x+ y = 7 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution set is (Simplify your answer. Type an ordered pair.) O B. The system has infinitely many solutions. The solution set is { (Simplify your answer. Type an ordered pair. Type an expression using y as the variable.) O C. The solution is the empty set. ry Time Remaining: 01:35:26