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OpenStudy (anonymous):
What is the best first step to solve the system using elimination? x – 5y = 4 3x + 7y = –17 multiply the first equation by –3 multiply the second equation by 3 solve for x in the first equation solve for y in the second equation
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OpenStudy (anonymous):
multiply first equation by -3 then add the equations thus eliminating the x's
OpenStudy (anonymous):
so the answer is multiply the first equation by -3
OpenStudy (anonymous):
yes the top one of the list
OpenStudy (anonymous):
kewl thanx
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