yulin
yulin yulin
  • 08-05-2017
  • Mathematics
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Help!!!!!!!!!!!!!!!!!!!!!!!!

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  • 08-05-2017
She did not multiply both sides of the equation by 2.

   2x-6y =-2
+ 2x+6y=3
  4x      =1
 
x=1/4
y=5/12

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