Solve the system by using matrix reduction. w+ xy- 7z = -6 2w+3x+2y+10z = 13 2w+x+2y+...

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Solve the system by using matrix reduction. w+ xy- 7z = -6 2w+3x+2y+10z = 13 2w+x+2y+ 2z = 3 X= Select the correct choice below and fill in any answer boxes to complete your choice. OA. The unique solution is w= and z = (Simplify your answers.) OB. The system has infinitely many solutions. The solutions are of the form w = (Simplify your answers. Type expressions using r as the variable. Do not factor.) x=y X= OC. The system has infinitely many solutions. The solutions are of the form w = (Simplify your answers. Type expressions using r and s as the variables. Do not factor.) OD. The system has infinitely many solutions. The solutions are of the form w = y x=r, y=s (Simplify your answer. Type an expression using r, s, and t as the variables. Do not factor. E. There is no solution. Solve the system by using matrix reduction. w+ xy- 7z = -6 2w+3x+2y+10z = 13 2w+x+2y+ 2z = 3 X= Select the correct choice below and fill in any answer boxes to complete your choice. OA. The unique solution is w= and z = (Simplify your answers.) OB. The system has infinitely many solutions. The solutions are of the form w = (Simplify your answers. Type expressions using r as the variable. Do not factor.) x=y X= OC. The system has infinitely many solutions. The solutions are of the form w = (Simplify your answers. Type expressions using r and s as the variables. Do not factor.) OD. The system has infinitely many solutions. The solutions are of the form w = y x=r, y=s (Simplify your answer. Type an expression using r, s, and t as the variables. Do not factor. E. There is no solution.