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Chemistry 21 Online
OpenStudy (anonymous):

What is a possible first step to eliminate the variable x in the following system? 2x – 7y = 3 4x + 5y = –2 Multiply the first equation by 7. Multiply the first equation by –2. Multiply the second equation by 2. Multiply the second equation by –3.

OpenStudy (anonymous):

multiply the first eqution by -2!

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