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Solve the system of equations.x-3y - z=-9-x+8y-4z=242x-15y+7z=-45Select the correct choice below and fill in any answer boxes within your choice.A. There is one solution. The solution is ( , , ) (Type exact answers in simplified form.)B. There are infinitely many solutions. The solutions are ( , ,z), where z is any real number.(Type exact answers in simplified form.)C. There is no solution.
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