More Options: Make a Folding Card

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  • Heres the receipt. What does 2x + y= 1 and 4x + 2y=2 
  • Well the best way to solve that problem would be to use something called the elemation method
  • Then both of the problems are the same and all you have to do is subtract 4x+2y=4 - 4x + 2y=2 So you get 0=2 Which is a No Solution Incosistent
  •  I know how to do that first you have to multiply 2x +y=1 so that the problem is the same as 4x+2y=4 
  • That receipt makes no sense there's another problem on it maybe this one will work 2j+K=3 K=j-9
  • So first you plug in j-9 for k using the substitution method and get 2j+j-9+9 then add like terms 3j-9=3 then add 3 and get 12 then divide 3j=12 so J=4
  • Thats great but you still need to find K so to make it easier im using the second problem K=j-9 Plug in 4 for J K=4-9 so K= -5
  • Ok sure!
  • Great! Since your so good at math do you want to help me with some graph homework
  • Thats an Infinte Solution they have the same slop and same y-int
  • Thanks!
  • Thats No Solution! Ready to get going
  • Yep thanks!
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