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OpenStudy (anonymous):
Solve the following system of equations using matrices. 3x – 7y = 25 5x – 8y = 27 Answer (25, 27) (27, 25) (-1, -4) (4, 1)
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OpenStudy (anonymous):
Not really sure how to solve this one.
OpenStudy (anonymous):
You might want to watch this video. I shows how to solve using augmented matrices. https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/matrices_elimination/v/matrices-reduced-row-echelon-form-1
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