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Math Help - How do you rearrange this function using algebra?

  1. #1
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    How do you rearrange this function using algebra?

    these are the 2 functions

    Demand: p= 50-5/6Qd

    Supply: P= 5/4Qs -10

    1a) invert the functions to the form Q=f(P)

    i don't know how to do this, i know it is a basic question but i struggle with algebra!

    thanks so much in advance
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  2. #2
    MHF Contributor
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    Quote Originally Posted by tashnatjuly View Post
    these are the 2 functions

    Demand: p= 50-5/6Qd

    Supply: P= 5/4Qs -10

    1a) invert the functions to the form Q=f(P)

    i don't know how to do this, i know it is a basic question but i struggle with algebra!

    thanks so much in advance
    For demand : p=50-\frac{5}{6}Qd

     <br />
Q=\frac{300-6p}{5d}<br />

    For supply : p=\frac{5}{4}Qs-10

    Q=\frac{4p+40}{5s}
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