Solve using augmented matrix methods. 3x1 X2 = 2 9x1 - 3x2 = - 6 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The unique solution is x, = and...

Extracted text: Solve using augmented matrix methods. 3x1 X2 = 2 9x1 - 3x2 = - 6 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The unique solution is x, = and x2 =. (Simplify your answer.) %3D and x, = t. The system has infinitely many solutions. The solution is x, = В. (Simplify your answer. Type an expression using t as the variable.) C. There is no solution.