text: # solve the system 3x+y=5 and 2x-2y=-2
  
  3x+y=5 and 2x-2y=-2
  
  3x+y=5 and 2x-2y=-2
  
  y = 5 - 3x⇒ 2x - 2(5 - 3x) = - 2
  
  2x - 10 + 6x = - 2
  
  8x = - 2 + 10
  
  8x = 8
  
  x = 8/8 = 1
  
  y = 5 - 3*1 ==
  
  y = 2
  
  answered Jan 16, 2012 by Level 8 User (30,820 points)
  
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