Solve using augmented matrix methods. AX, + 3x2 = 25 = 3x, X2 = 9 Se ect the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The unique solution is X1 and X = (Simplify your answers.) . 2 OB. The system has infinitely many solutions. The solution is xy and X2 = 1 (Simplify your answer. Type an expression using t as the variable) O C. There is no solution