kaliceblackp6qx5r
kaliceblackp6qx5r kaliceblackp6qx5r
  • 26-08-2018
  • Mathematics
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I need help on 7, 9, and 12

I need help on 7 9 and 12 class=

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gilian2317
gilian2317 gilian2317
  • 26-08-2018

7) x=10, y= -10
9) has no solution
12) x= -3 y= 1

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