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Mathematics 7 Online
OpenStudy (anonymous):

What is the first step in solving this system of equations by elimination? 5a + 3b = –9 2a – 5b = –16 A. Subtract the two equations. B. Add the two equations. C. Solve for a. D. Multiply the first equation by 2 and the second by –5.

OpenStudy (anonymous):

@xapproachesinfinity

OpenStudy (anonymous):

first step? D you need to make a have a common multiple

OpenStudy (xapproachesinfinity):

D

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