The following augmented matrix is in row echelon form and represents a linear system. Use back-substitution to solve the system if possible. 11-15 01-12 0 0 11 What is the solution to the linear system? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution set is } (Simplify your answer. Type an ordered triple.) O B. There are infinitely many solutions. The solution set is (x. (Type an ordered triple. Type an expression using x as the variable.) O C. There is no solution.

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