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anonymous

  • 5 years ago

The given equation is either linear or equivalent to a linear equation. Solve the equation. u/(u-(u+1)/2)=4

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  1. anonymous
    • 5 years ago
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    \[\frac{u}{\frac{u-(u+1)}{2}}=4\]?

  2. anonymous
    • 5 years ago
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    looks like you have two fraction bars there.

  3. anonymous
    • 5 years ago
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    yes satellite. haha

  4. myininaya
    • 5 years ago
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    \[\frac{u}{u-\frac{(u+1)}{2}}=4\]

  5. anonymous
    • 5 years ago
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    ok well first of all \[u-(u+1)=u-u-1=-1\]

  6. anonymous
    • 5 years ago
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    so what you really have is \[\frac{u}{\frac{-1}{2}}=4\]

  7. anonymous
    • 5 years ago
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    dividing by one half same as multiplying by 2 so you get \[-2u=4\]

  8. anonymous
    • 5 years ago
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    divide by -2 to get \[u=\frac{4}{-2}=-2\]

  9. anonymous
    • 5 years ago
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    no. stop. sorry. wait a sec

  10. myininaya
    • 5 years ago
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    lol

  11. anonymous
    • 5 years ago
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    i stop

  12. anonymous
    • 5 years ago
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    myininya has the correct problem shown

  13. myininaya
    • 5 years ago
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    :)

  14. anonymous
    • 5 years ago
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    well then my answer was the answer to a different question!

  15. anonymous
    • 5 years ago
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    ;(

  16. anonymous
    • 5 years ago
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    using this site as a reference: http://www.wolframalpha.com/input/?i=u%2F%28u-%28u%2B1%29%2F2%29%3D4

  17. anonymous
    • 5 years ago
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    any input is appreciated. i'm trying to figure out how to work it...

  18. anonymous
    • 5 years ago
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    well that certainly is not a linear equation!

  19. myininaya
    • 5 years ago
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    i would combine the fractions on bottom first

  20. anonymous
    • 5 years ago
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    The given equation is either linear or equivalent to a linear equation. Solve the equation. u/(u-(u+1)/2)=4

  21. anonymous
    • 5 years ago
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    no chance. it is not linear

  22. anonymous
    • 5 years ago
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    haha. that's how it's listed in my book :D

  23. anonymous
    • 5 years ago
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    well it isn't look at the graph!

  24. anonymous
    • 5 years ago
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    are you sure you typed it in correctly?

  25. anonymous
    • 5 years ago
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    u = 2

  26. anonymous
    • 5 years ago
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    yes. look at the link. that's exactly as it appears in my book :)

  27. anonymous
    • 5 years ago
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    sure it isn't -2?

  28. anonymous
    • 5 years ago
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    it's 2

  29. anonymous
    • 5 years ago
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    aaaaaaaaaaaaaaaaaahhhhhhhhhhhhhhhhhhhhhhh

  30. anonymous
    • 5 years ago
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    i see. simplify the compound fraction and you will get 2 lickety split

  31. myininaya
    • 5 years ago
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    \[\frac{u}{\frac{2u-(u+1)}{2}}=u \div \frac{(2u-(u+1))}{2}=u \times \frac{2}{u-1}=\frac{2u}{u-1}\]

  32. anonymous
    • 5 years ago
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    i don't see... :(

  33. myininaya
    • 5 years ago
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    thats the left hand side

  34. myininaya
    • 5 years ago
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    \[\frac{2u}{u-1}=4\]

  35. anonymous
    • 5 years ago
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    where did you get 2u from?

  36. anonymous
    • 5 years ago
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    in the very first step...

  37. anonymous
    • 5 years ago
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    ok multiply top and bottom by 2 get \[\frac{2u}{2u-(u+1)}\]

  38. anonymous
    • 5 years ago
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    no pellet... lol. okay. i'm with you

  39. anonymous
    • 5 years ago
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    clears the annoying 2 in the bottom of the denominator

  40. anonymous
    • 5 years ago
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    now as we say in the math biz combine liked terms to get \[\frac{2u}{u-1}\]

  41. myininaya
    • 5 years ago
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    satellite cheated and did it the easy way

  42. anonymous
    • 5 years ago
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    yeah. he thinks i know things and understand. :p

  43. myininaya
    • 5 years ago
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    lol

  44. anonymous
    • 5 years ago
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    so we have \[\frac{2u}{u-1}=4\] \[2u=4(u-1)\] \[2u=4u-4\] \[u = 2\] whew

  45. anonymous
    • 5 years ago
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    waddya mean cheated? how else do you clear fractions?

  46. anonymous
    • 5 years ago
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    wow. EASY!!! why was i stressing that?

  47. myininaya
    • 5 years ago
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    lol i was kidding satellite

  48. anonymous
    • 5 years ago
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    because it is math

  49. anonymous
    • 5 years ago
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    i was taught to multiply the whole left side by the complex fraction u-(u+1/2) and do the same on the right...

  50. myininaya
    • 5 years ago
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    math is the best because it is logic english makes no sense

  51. anonymous
    • 5 years ago
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    haha. taking math and english.... smh...

  52. anonymous
    • 5 years ago
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    ooohhhh i see you subtracted in the denominator then inverted and multiplied. ok that works too.

  53. anonymous
    • 5 years ago
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    if you are into long algebra. already annoyed that you can out-latex me! lol

  54. anonymous
    • 5 years ago
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    gonna grab some food. will be back to annoy you guys in a little ;) thank you both a lot!

  55. anonymous
    • 5 years ago
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    now you are going to out algebra me too. not fair

  56. myininaya
    • 5 years ago
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    lol no shorter ways are better than longer ways lol i can only out latex you when you are drunk

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