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Math Help - Systems of equations - check my work please?

  1. #1
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    Systems of equations - check my work please?

    Hi I would just like someone to please check my answers to see if i'm right. Please tell me the proper solution if i'm wrong.

    http://img651.imageshack.us/img651/5360/mathprob2.jpg

    My answers:

    1. E
    2. B
    3. C
    4. C
    Last edited by mr fantastic; January 24th 2011 at 12:31 AM. Reason: Title.
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  2. #2
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    1, 2, 4 are correct.

    Check 3.
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