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Mathematics 15 Online
OpenStudy (anonymous):

What is the best first step to solve the system using elimination? 6x – 5y = 4 9x + y = –17 choices: solve for x in the first equation multiply the second equation by 5 solve for y in the second equation multiply the first equation by 5

OpenStudy (mathteacher1729):

Hint: If you want to eliminate a variable, always start by looking for a variable that is "by itself" (multiplied by one, in other words).

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