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Thread: Linear Inequality: Is this right?

  1. October 22nd 2008, 05:46 PM #1
    essaymasters
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    Linear Inequality: Is this right?

    (x-4)/5 >= (2x+3)/2
    2(x-4) >= 5(2x+3)
    2x-8 >= 10x+15
    -8-15 >= 8x
    -23 >= 8x
    (-23/8) >= x
    x <= (-23/8)
    Last edited by essaymasters; October 22nd 2008 at 07:50 PM.
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  2. October 22nd 2008, 05:51 PM #2
    Quick
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    Quote Originally Posted by essaymasters View Post
    (x-4)/5 >= (2x+3)/2
    2(x-4) >= 5(2x+3)
    2x-8 >= 10x+15
    8-15 >= 8x
    -23 >= 8x
    (-23/8) >= x
    x <= (-23/8)
    Explain to me how you got from: 8-15 >= 8x

    To: -23 >= 8x
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  3. October 22nd 2008, 07:50 PM #3
    essaymasters
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    Quote Originally Posted by Quick View Post
    Explain to me how you got from: 8-15 >= 8x

    To: -23 >= 8x
    My mistake, it's
    -8-15 >= 8x
    -23 >= 8x
    *first post edited
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