Sarah5678
Sarah5678 Sarah5678
  • 21-09-2020
  • Mathematics
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Plz help!! Quesion above

Plz help Quesion above class=

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catrinachen00
catrinachen00 catrinachen00
  • 21-09-2020
C because you need to multiply x+3y=1 by -3 and when you add the two equations together, you get that y=-1 and plug everything back in, you get C.
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