cbrown1000 cbrown1000
  • 10-03-2017
  • Mathematics
contestada

If x and y satisfy both 9x+2y=14 and 7x+2y=2, then y=?

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hai0612
hai0612 hai0612
  • 10-03-2017
9x+2y=14 and 7x+2y=2
⇒ x= 6
    y= -20
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