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Math Help - Simultaneous Equation

  1. #1
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    Post Simultaneous Equation

    So I've been having trouble with SEs, this one in particular:

    d = 120t + 80
    d = -480t + 800

    How would you go about solving this one? Please say your working - it helps me learn
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  2. #2
    A Plied Mathematician
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    Re: Simultaneous Equation

    Why not subtract one equation from the other?
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  3. #3
    Master Of Puppets
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    Re: Simultaneous Equation

    Ackbeet is correct, or just say

    120t + 80 = -480t + 800
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  4. #4
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    Post Re: Simultaneous Equation

    Lol wow! It seems so simple when you do it like that... i should have known that they both equal d.

    Anyway thanks!
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