Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered pair.x + y = -2x - y = 14

A. (6, -8)
B. (2, 6)
C. (6, 8)
D. (2, -8)


Answer: A

Mathematics

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A.
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A. {5} B. {5, -5} C. {12.5} D. {6, -6}

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