Solve the system

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Solve the system. X - 2y + 7z = 8       2x - y + 3z =7 Select the correct choice below and fill in any answer boxes within your choice. (Simplify your answers.) O A. There is one solution. The solution set is D3. O B. There are infinitely many solutions. The solution set is { ( | x is any real number} . O C. There are infinitely many solutions. The solution set is (x,y,z) | (x + ( y+ ( z=8}. O D. The solution set is the empty set.