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tien.lam12

What are the solutions to the following system of equations? y = 2x^2 - 21x + 47 x - y = 9 A) (7, -2) and (-4, 5) B) (7, -2) and (4, -5) C) (-7, -2) and (-4, 5) D) No Real Solutions

ans B

thanks

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