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Math Help - solving algebraic equations

  1. #1
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    solving algebraic equations

    any of u a math genius or close to it i need help on this problems if i dont do this i wont get to walk on graduation sad right help me

    math challenged here >.>

    solving rational equations solve using any method check for solutions

    1) 7/x +1/2 = 4

    2) x/4 + 1/2 = 5

    3)4/x + 1/3 = 10

    4)1/2x + x/3 = 7

    5) -2/x+3 =1/x+1

    6) 4/x+2 = -3/x-3

    7) -4/x+1 = 2/x-1

    8) 3/x+4 = 9/x-2a


    and this http://i41.photobucket.com/albums/e2...athwork001.jpg
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  2. #2
    MHF Contributor Mathstud28's Avatar
    Joined
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    Quote Originally Posted by lonewolfpr08 View Post
    any of u a math genius or close to it i need help on this problems if i dont do this i wont get to walk on graduation sad right help me

    math challenged here >.>

    solving rational equations solve using any method check for solutions

    1) 7/x +1/2 = 4

    2) x/4 + 1/2 = 5

    3)4/x + 1/3 = 10

    4)1/2x + x/3 = 7

    5) -2/x+3 =1/x+1

    6) 4/x+2 = -3/x-3

    7) -4/x+1 = 2/x-1

    8) 3/x+4 = 9/x-2a


    and this http://i41.photobucket.com/albums/e2...athwork001.jpg
    First of all your link is not a hyperlink...its just blue text

    and secondlyu

    I will do five for you

    \frac{-2}{x+3}=\frac{1}{x+1}

    Cross-multiplying you get

    -2(x+1)=x+3

    Expanding you get

    -2x-2=x+3\Rightarrow{3x=-5}\Rightarrow{x=\frac{-5}{3}}
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