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Dennis_Churaev [7]
3 years ago
15

What’s this question

Mathematics
1 answer:
shusha [124]3 years ago
8 0

Multiply the first equation by -1

-3x-y=-4

2x+y=5

Add them up

-x=1

So x=-1

And y=7

So the first option is correct

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olga55 [171]
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