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Mathematics 8 Online
OpenStudy (anonymous):

What is the first step in solving this system of equations? 2x – 5y = 7 3x + 7y = –3 A. Multiply the first equation by 7 and the second by 2. B. Multiply the first equation by 3 and the second equation by –2. C. Add the equations together. D. Multiply the first equation by 2 and the second equation by 3.

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