Mathematics
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what is the solution to this system of linear equations? x y = 4 x − y = 6 (4, 6) (6, 4) (5, −1) (−1, 5)

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andrades

x + y = 4 . . . . . . . . (1) x - y = 6 . . . . . . . . (2) (1) - (2): 2y = -2 y = -1 x - 1 = 4 x = 5 Therefore, solution is (5, -1)

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