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OpenStudy (anonymous):
Use a graphing calculator or spreadsheet software to solve 9x + 5y + 3z = 4 6x + 2y + 4z = 2 -3x + 3y – 7z = 2 using matrices. A. (-1, 2, 1) B. (1, -1, 0) C. (4, 2, 2) D. (1, 2, -5)
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