Solve using augmented matrix methods 3x1-x2-5 x1 + 4x2-6 Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A The unique solutonxand x Simplify your answers.) The system has infinitely many solutions The solution is x 1-W and Simplity your answer. Type an expression using t as the variable) B. O C. There is no solution