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  1. #1
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    Default MATHS HELP! [HELP!!]

    Right I really need to do this but completely forgot how to do it!

    3p+2q=18
    10p+6q= 58

    p=
    q=

    4s+2t=30
    11s+4t=78

    s=
    t=

    2a+3b=39
    10a+4b=96

    a=
    b=

    5m+6n= 82
    15m+4n=148

    m=
    n=


  2. #2
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    Habbo
    Carlsta

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    3p+2q=18 (A)
    10p+6q= 58 (B)

    9p+6q=54 (C)
    10p+6q=58 (B)

    (B-C) 1p=4

    Substitute 4 for p in (A)

    12+2q= 18
    2q = 6
    q = 3

    p= 4
    q=3

    Thanks first one
    Last edited by Carlsta; 08-07-2009 at 04:46 PM.
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  3. #3
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    2a+3b=39 x 5 =
    10a+15b=195 -
    10a+4b=96

    11b = 99
    99/11 = 9
    b = 9

    10a+36=96
    96-36=60
    10a = 60
    a = 6

    thats just 1 kk. think thats what you do lol.

  4. #4
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    ermmm mine didnt work out right hmmm:S
    contact me via pm if i can elp you on msn
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  5. #5
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    well i've done the third one and gave the method, so he can do the rest, it's his homework!

  6. #6
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    Figured out my mistake
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  7. #7
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    s = 6
    t = 3

    dont ask me the workings out, i use trial and error lol.


  8. #8
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    4s+2t=30
    11s+4t=78

    8s+4t=60
    11s+4t=78

    3s=18
    s=6

    24+2t=30
    6=2t
    3=t

    s=6
    t=3


    There's the working alkaz
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  9. #9
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    Lol thanks babe x


  10. #10
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    Thanks everyone (L) I +repped whoever I could! (Jake I gotta spread :@!)

    But yh! I have done all 24 questions =]


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