MrClean69 MrClean69

17-05-2017
Mathematics

contestada

solve the system using elimination 3x+3y=-9 3x-3y=21 a. (3,6) b. (-5,2) c. (3,3) d. (2,-5)

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peacefulmemories peacefulmemories

17-05-2017

The answer would be D. (2,-5)

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badownin21 badownin21

17-05-2017

D because the y cancel if you add them. that leaves you with 6x=12 so x=2. D is the only one where x=2

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