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Math Help - How would you go about solving simultaneously?

  1. #1
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    How would you go about solving simultaneously?



    So we know that
    and that

    Now solve those simultaneously
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  2. #2
    Super Member flyingsquirrel's Avatar
    Joined
    Apr 2008
    Posts
    802
    Hello

    <br />
\begin{cases}<br />
85=C\exp(3b) & (1)\\<br />
13=C\exp(5b) & (2)<br />
\end{cases}

    As \exp(5b)\neq 0, one can divide (1) by (2) which will give an equation that can be solved for b. Then use either (1) or (2) to find the value of C.
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