E) No unique solution

3. Given the system of linear equations a- b+ c= 1 -2a - 3b - 4c = -9 -a + 46 +c=4 -3a + c = -2 determine if a solution exists. If it does, what is the solution?| A) (1, 1, 1 ) C) ( - 2, 2, 8 ) E) No unique soluti B) (2, 2, 1 ) D) (-1, -1, 1)