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ira [324]
3 years ago
6

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

Mathematics
2 answers:
stira [4]3 years ago
4 0
The answer would be D. (2,-5)
Drupady [299]3 years ago
4 0
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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Step-by-step explanation:

so there is two ways to do this so ill show you both and you can see which one is easier for you!

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