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Katlyn99

  • 3 years ago

Using elimination to solve the system 2x + y = 8 and x + y = 4, which of the following could be the first step? (Points : 2) 2x + y = 8--------> 2x + y = 8 (x + y = 4)(-1)---> -x - y = -4 2x + (4 - x) = 8 2x + y = x + y 3x + 2y = 12 x = 4

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  1. jdoe0001
    • 3 years ago
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    is it just me or you have the answer already?

  2. sparki1
    • 3 years ago
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    its what step is next that is correct

  3. sparki1
    • 3 years ago
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    the first one?

  4. jdoe0001
    • 3 years ago
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    I see nothing wrong in the procedure sequence :|

  5. sparki1
    • 3 years ago
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    jdoe. u have to figure out the next step....

  6. jdoe0001
    • 3 years ago
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    ahemm, I guess I didn't get it firstly :|, well, multiplying by (-1) on the second equation pretty much solves it

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