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Math Help - Algebra Review for Test

  1. #1
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    Smile Algebra Review for Test

    I found this question written in the challenge section of my algebra book.

    It is given in words. I must write it as an equation and then solve for s.

    -3 over 4 S - 3 = 1 over 3 S + 1 over 4

    Here is my set up:


    -3/(4s - 3) = 1/(3s) + 1/4

    After doing the algebra, I get s = 21/64 but is this right?

    Can anybody do this problem and find the correct answer?

    I added the right side of the fractional equation first and then cross-multiplied to find s.




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  2. #2
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    Hello,
    Quote Originally Posted by magentarita View Post
    I found this question written in the challenge section of my algebra book.

    It is given in words. I must write it as an equation and then solve for s.

    -3 over 4 S - 3 = 1 over 3 S + 1 over 4

    Here is my set up:


    -3/(4s - 3) = 1/(3s) + 1/4

    After doing the algebra, I get s = 21/64 but is this right?

    Can anybody do this problem and find the correct answer?

    I added the right side of the fractional equation first and then cross-multiplied to find s.




    If I'm solving for s in -\frac{3}{4s-3}=\frac{1}{3s}+\frac 14 I find very complicated solutions !

    The most accurate version of the equation may be \frac{-3}{4s}-3=\frac{1}{3s}+\frac 14
    (There is a unique and simple solution )
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