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Math Help - Make C the subject: F=(9/5)C + 32.

  1. #1
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    Make C the subject: F=(9/5)C + 32.

    I don't remember what to do with the fraction in this

    I am trying to find out what C equals.

    F=(9/5)C + 32.

    So I subtracted 32 from both sides so now its

    F - 32 = (9/5)C

    But I dont remember what to do to get rid of the 9/5...
    Last edited by mr fantastic; July 23rd 2011 at 08:58 PM. Reason: Re-titled.
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  2. #2
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    Re: Help with a problem

    Quote Originally Posted by strings1234565 View Post
    I don't remember what to do with the fraction in this

    I am trying to find out what C equals.

    F=(9/5)C + 32.

    So I subtracted 32 from both sides so now its

    F - 32 = (9/5)C

    But I dont remember what to do to get rid of the 9/5...
    multiply both sides by 5/9
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