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Mathematics 10 Online
OpenStudy (anonymous):

5x – 7y = –4 3x – 10y = –14 Multiply the first equation by 3 and multiply the second equation by 5. Multiply the first equation by –3 and multiply the second equation by 5. Multiply the first equation by –3 and multiply the second equation by –5. Multiply the first equation by 4 and the second equation by 14.

OpenStudy (anonymous):

B

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