Solve the system using a matrix.
3x + 2y = 13
3x + 2y + z = 13
2x + y + 3z = 9
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Give your answer as an ordered triple.
Enter the number that belongs in the green box.

Solve the system using a matrix 3x 2y 13 3x 2y z 13 2x y 3z 9 Give your answer as an ordered triple Enter the number that belongs in the green box class=