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OpenStudy (anonymous):
Select the best possible first step to solving the system by first eliminating the x variable. 4x + 9y = 21 3x – 8y = 1 Answer Multiply the first equation by 3 and multiply the second equation by 4. None of the above Multiply the first equation by –3 and multiply the second equation by –4. Multiply the first equation by 8 and multiply the second equation by 9.
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OpenStudy (anonymous):
Multiply the first equation by 3 and multiply the second equation by 4.
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