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    ukwolf's Avatar
    ukwolf Posts: 2, Reputation: 1
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    #1

    Dec 3, 2008, 10:36 AM
    Year 7 Equations
    My daughter has asked me to explain how to do this, providing the answer is not a problem but explaining the way it is solved is (it's been a while since I was in education), can anyone explain simply.

    2x+1=3x-6

    Thanks in advance
    ZoeMarie's Avatar
    ZoeMarie Posts: 2,049, Reputation: 468
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    #2

    Dec 3, 2008, 11:03 AM

    OK so first you need to get x on only one side. Subtract 2x from either side.
    so you get :
    1=1x-6

    then you want to add 6 to both sides to determine what x is worth
    7=1x

    from there divide both sides by 1 (because 1x)
    7=x or x=7

    If that's hard to follow of you have questions let me know
    ukwolf's Avatar
    ukwolf Posts: 2, Reputation: 1
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    #3

    Dec 3, 2008, 11:27 AM
    Thanks that's a great help
    ZoeMarie's Avatar
    ZoeMarie Posts: 2,049, Reputation: 468
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    #4

    Dec 3, 2008, 11:32 AM

    no problem. I just hope I explained it well enough that you can solve other equations too.
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