Solving Equations by Elimination

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  • I would like to discuss solving equations by elimination. 
  • Ok what would you like to discuss 
  • how would you solve the equation 5x+5y=19  5x+y=7
  • I would Subtract the five X from the other five X and then do the same to the 5Y and Y then subtract 7 from 19 
  • Then what would you do after you get that equation?
  • then I would end up with 4y=12
  • What would you do after that?     
  • I would then divide the 4 by itself and also divide the twelve by the four.
  • what would your answer then be?
  • My answer would then be y=3
  • That is how you solve a systems equation by elimination. 
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