In Exercises 8590, use the matrix capabilities of a
Chapter , Problem 7.1.85(choose chapter or problem)
In Exercises 8590, use the matrix capabilities of a graphing utility to write the augmented matrix corresponding to the system of equations in reduced row-echelon form. Then solve the system. 3x 3y 12z 6x y 4z 22x 5y 20z 10x 2y 8z 4
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