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guriceel10
guriceel10 guriceel10
  • 29-01-2017
  • Mathematics
Answered

-2x+y=9, x+2y=3 elimination

Verified Answer :

Anonymous Anonymous
  • 29-01-2017

−2x+y=9
−2x+y+−y=9+−y
−2x=−y+9
−2x−2=−y+9−2
x=12y+−92

Now, x+2y=3
x+2y+−2y=3+−2y
x=−2y+3

Hoped I helped!


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