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Thread: Change the variable

  1. #1
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    Change the variable


    a = 1/3 (b+c)d

    Express d in terms of a, b and c.

    I would like to know how to solve it.





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  2. #2
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    Quote Originally Posted by delpreston View Post

    a = 1/3 (b+c)d

    Express d in terms of a, b and c.

    I would like to know how to solve it.

    Hej,

    a=\frac{1}{3}(b+c)\cdot d
    1. Multiply by 3 to get rid of the fraction:
    3a=(b+c)\cdot d
    2. Divide by the bracketed term:
    \frac{3a}{b+c}= d
    3. and that's it!

    EB
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