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Math Help - *Urgent* Check this Sumultaneous equation

  1. #1
    Junior Member FB FTW's Avatar
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    *Urgent* Check this Sumultaneous equation

    Hey,
    Equation:

    3a+2b=4
    3a-b=7

    I got
    a=ONE THIRD
    b=1.5
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  2. #2
    Like a stone-audioslave ADARSH's Avatar
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    Smile ..Its wrong

    Quote Originally Posted by FB FTW View Post
    Hey,
    Equation:

    3a+2b=4...................(1)
    3a-b=7.....................(2)

    I got
    a=ONE THIRD
    b=1.5
    Sorry but I think the answer is incorrect
    from(1)
    3a=4-2b
    putting this in(2)
    4-3b=7
    3b=-3
    =>b=-1
    & a=(4+2)/3
    =>a=2
    hence a=2 & b= -1
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