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anonymous

  • 5 years ago

Using elimination to solve the system 2x + y = 8 and x + y = 4, which of the following could be the first step?

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  1. anonymous
    • 5 years ago
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    A. 2x + y = 8--------> 2x + y = 8 (x + y = 4)(-1)---> -x - y = -4 B. 2x + (4 - x) = 8 C. 2x + y = x + y D. 3x + 2y = 12 E. x = 4

  2. anonymous
    • 5 years ago
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    so elimination... time to DRAW! :P

  3. anonymous
    • 5 years ago
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    What am I supposed to do?! :( Oh no... :(

  4. amistre64
    • 5 years ago
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    what do you do to eliminate?

  5. anonymous
    • 5 years ago
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    |dw:1327102546630:dw|

  6. anonymous
    • 5 years ago
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    Oh wow.. I am just not thinking too much today! Thanks though! :)

  7. amistre64
    • 5 years ago
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    C is actually another way to eliminate in this problem

  8. amistre64
    • 5 years ago
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    but I think A is what they are getting after

  9. anonymous
    • 5 years ago
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    So my answer would be A then correct?

  10. anonymous
    • 5 years ago
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    It makes more sense to me if it is.

  11. amistre64
    • 5 years ago
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    A is the most likely bet as far as what they are expecting of you

  12. amistre64
    • 5 years ago
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    but you get the same results from C so its really a bad question to me

  13. anonymous
    • 5 years ago
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    Hm.. alright, thanks! :) I'm just going to go with A.

  14. amistre64
    • 5 years ago
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    opps, C is almost lol; C is bad

  15. amistre64
    • 5 years ago
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    left off the constants in me head

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spraguer (Moderator)
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