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Math Help - i cant figure out how to transpose this equation can any one help???? please

  1. #1
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    i cant figure out how to transpose this equation can any one help???? please

    transpose the following equation to make V the subject

    F=UV/U+V


    It seems easy but i am really struggling!!
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  2. #2
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    Re: i cant figure out how to transpose this equation can any one help???? please

    F = \frac{UV}{U+V}

    Multiply both sides by (U + V)

    F(U+V) = UV

    Expand

    FU + FV = UV

    Subtract FV from both sides

    FU = UV - FV

    Factor out the 'V'

    FU = V(U - F)

    Divide both sides by (U - F) to get 'V' on its own

    \frac{FU}{U - F} = V
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  3. #3
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    Re: i cant figure out how to transpose this equation can any one help???? please

    thank you i got FU=UV-FV but completely forgot about factoring V
    hopefully i will remember thin in future!!
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