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Mathematics 13 Online
OpenStudy (anonymous):

Select the best possible first step to solving the following system by first eliminating the y variable. 6x – 5y = –7 10x + 3y = –1 Multiply the first equation by 3 and multiply the second equation by 5. Multiply the first equation by 7 and the second equation by -7. 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.

Directrix (directrix):

Multiply the first equation by 3 and multiply the second equation by 5.

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