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Math Help - Linear equation

  1. #1
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    Linear equation

    Linear equation-image.jpgNr 2 is My problem and the other is My failed progress...
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  2. #2
    fkf
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    Re: Linear equation

    When you add -10 times the first row to the second you should get (-60)+(-9) = -60. You've written -51?
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    Re: Linear equation

    U mean -69:P misscalculated XD
    After i zero the second and third then im lost..:/ i cant zero anymore
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    fkf
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    Re: Linear equation

    Den go to the second row, and divide by -9 to get new leading one. After that. Add a multiple of second row to third row to get zero below.
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  5. #5
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    Re: Linear equation

    Hmm that dont work??
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