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anonymous

  • one year ago

Solve for x. Express the answer in simplest form. http://prntscr.com/7arrfi

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  1. anonymous
    • one year ago
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    Well there are gonna be several ways to go about this. I honestly can't remember the "proper way" to go about this, but if you want I can explain how I got to the answer.

  2. anonymous
    • one year ago
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    sure

  3. anonymous
    • one year ago
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    Well the first thing I did was make the numerators equal. Which I did by \[\frac{ 3 }{ 3 }*\frac{ 1 }{ 7 }\] Now that I had the numerators equal this is what the equation looked like.\[\frac{ 3 }{ 21 }=\frac{ 3 }{ 4x-1 }\] At this point, I set aside the numerators and focused on the denominators and wrote it out as\[21=4x-1\] Then I just solved for x

  4. anonymous
    • one year ago
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    But its a fraction

  5. anonymous
    • one year ago
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    Yes, but we have them under the same numerator.

  6. anonymous
    • one year ago
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    it's kinda hard to explain, but my method does work. I checked my answer and everything =(

  7. anonymous
    • one year ago
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    So 31/21

  8. anonymous
    • one year ago
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    is that your answer for x?

  9. anonymous
    • one year ago
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    Yes

  10. anonymous
    • one year ago
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    \[21=4x-1\]\[22=4x\]\[\frac{ 22 }{ 4 }=x\]Simplfy and rearrange to get \[x=\frac{ 11 }{ 2 }\]

  11. anonymous
    • one year ago
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    Ugh i forgot about simplifying

  12. anonymous
    • one year ago
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    THANK YOU VERY MUCH!

  13. anonymous
    • one year ago
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    No problem, hope my method was understandable enough :)

  14. anonymous
    • one year ago
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    Its was

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spraguer (Moderator)
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