Solve using augmented matrix methods. - 8X1 + 2x2 = 2 16X1 - 4X2 = - 4 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The unique solution is x1= and X2 = (Simplify your answer.) The system has infinitely many solutions. The solution is X, = and x2 = t. OB. (Simplify your answer. Type an expression using t as the variable. Do not factor.) O C. There is no solution