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Gerald_R9

  • 2 years ago

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded Q Sam's latest single. The equation below represents this information, where x represents the total number of people who downloaded songs from the site that month. x = 0.6x + 384 How many people who downloaded songs from the site that month downloaded Q Sam's latest single?

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  1. Gerald_R9
    • 2 years ago
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    Where do I start?

  2. dan815
    • 2 years ago
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    nvm i guess this works too

  3. dan815
    • 2 years ago
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    solve for x

  4. Gerald_R9
    • 2 years ago
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    What exactly do I do?

  5. dan815
    • 2 years ago
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    solve for x by getting all the terms with x on 1 side

  6. dan815
    • 2 years ago
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    ur equation looks weird tho.. are u sure thats how it really is

  7. dan815
    • 2 years ago
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    x = 0.6x + 384 if this ur equation and i set x = 0 then 0=384.. doesnt make sense

  8. Gerald_R9
    • 2 years ago
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    so it would turn into a negative X right? and yeah thats what it says right here on the website!

  9. anonymous
    • 2 years ago
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    seems a little odd given the words that you have \(x\) on both sides of the equal sign, but no matter, you can go ahead a solve anyway

  10. anonymous
    • 2 years ago
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    \[x = 0.6x + 38\\ .4x=384\\ x=384\div .4=3840\div 4=960\]

  11. Gerald_R9
    • 2 years ago
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    Where did you get the .4? sorry for asking lol I understand this is a very awkward problem lol

  12. anonymous
    • 2 years ago
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    you start with \[x=.6x+384\] to get \(x\) on one side of the equal sign, subtract \(.6x\) from both sides \[x=.6x+384\\x-.6x=684\\.4x=384\]

  13. anonymous
    • 2 years ago
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    typo there, but you get the idea right?

  14. anonymous
    • 2 years ago
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    if the decimal annoys you you can always multiply both sides by 10 and get \[10x=6x+3840\\ 4x=6840\\x=3840\div 4\]

  15. Gerald_R9
    • 2 years ago
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    I don't understand why they did not have this as a example iin the lessons xD But now I do get it...

  16. anonymous
    • 2 years ago
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    maybe they had a problem like "solve for \(x\), \( 2x=6x+5\) " but maybe not

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