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Mathematics 21 Online
OpenStudy (anonymous):

What is the solution of the system? Use elimination. 3x – 4y = 9 –3x + 2y = 9 A. (3, 9) B. (–27, –9) C. (–3, –6) D. (–9, –9)

hero (hero):

@Palmo4ka , you can't just give answers only on OS. You have to provide steps and explanations as well.

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