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-   -   College Alegbra (https://www.askmehelpdesk.com/showthread.php?t=76410)

  • Mar 27, 2007, 08:09 AM
    MICA23
    College Alegbra
    Solve : 3X+6Y= -6 5X-2Y=14
  • Mar 27, 2007, 08:58 AM
    Capuchin
    okay so from the first one

    3x + 6y = -6

    divide this equation by 3 and rearrange for x, then use this x in your other equation. You will be able to get a value for y. Then you can finally use this value to get a value for x.
  • Jan 19, 2009, 03:35 PM
    Elisha Grey

    As Capuchin says, divide the first equation by 3 to get
    x + 2y = -2. And the second equation is
    5x - 2y = 14. Add these two equations to get
    6x = 12, so x = 2,and fro the first equation we have
    2 + 2y = -2, or 2y = -4, so y = -2
  • Jan 19, 2009, 04:07 PM
    Capuchin

    Elisha, once again:

    1. please read This Announcement which gives the site's policy on homework help. If a question is obviously homework, please refrain from posting a complete answer, this helps the poster to learn and do their work for themselves.

    2. If you have to post a complete answer, please do more to explain your working and lay it out properly, this can be done by entering more line breaks in your working, and writing a little more, this will help contribute to the site much further, and will help the poster more.

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