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Math Help - Transposition of equation

  1. #1
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    Transposition of equation

    I have been having difficulty transposing equations. I posted one earlier today and people kindly helped me out with it. I think I am getting there now. Please could someone help me with the equation below, I need to make 'Rs' the subject. This should help me improve my understanding.

    IM = I * RS / (RM + RS)


    Many thanks
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  2. #2
    MHF Contributor ebaines's Avatar
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    Re: Transposition of equation

    jcalow - you can make Rs the subject following the same steps that we laid out for you in your other post. Start by multiplying both ised by (Rm+Rs), then group the terms that have Rs in them, and simplify.
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  3. #3
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    Re: Transposition of equation

    Great. I will give it a try. Thank you.
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  4. #4
    Senior Member Paze's Avatar
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    Re: Transposition of equation

    Here is another perspective with the variables renamed, in case you were having trouble understanding them:

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