Solve using augmented matrix methods. 3X1 - X2 = -5 4x1 - 2X2 = - 8 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The unique solution is x, = and X2 = O B. The system has infinitely many solutions. The solution is x1 = and X2 = t. (Simplify your answer. Type an expression using t as the variable.) O C. There is no solution