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OpenStudy (anonymous):
Use a graphing calculator or spreadsheet software to solve 3x – 3y + 5z = 13 5x + 6y – 2z = 10 7x + 5y = 18 using matrices. A. (8, -3, 4) B. (4, -2, -1) C. (13, 10, 18) D. (-4, 2, 1)
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OpenStudy (anonymous):
And other than that, I really can't help you much here, not sure what to do exactly =0P
OpenStudy (anonymous):
no i don't
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