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Jravenv

  • one year ago

Help me please screencap in comments. best answer rewarded

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  1. Jravenv
    • one year ago
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  2. anonymous
    • one year ago
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    what is the least common multiply of 3, 4 and 6?

  3. Jravenv
    • one year ago
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    12

  4. anonymous
    • one year ago
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    ok good, so at the moment (we might can reduce later) the common denominator will be \(12y\)

  5. Jravenv
    • one year ago
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    Okay, whats next?

  6. anonymous
    • one year ago
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    you have to build up each fraction just like with numbers \[\frac{x+1}{3y}=\frac{4(x+1)}{4\times 3y}=\frac{4x+4}{12y}\] for the first one

  7. anonymous
    • one year ago
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    can you build up \[\frac{x-2}{4y}\]so the denominator will be \(12y\)?

  8. Jravenv
    • one year ago
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    so times three

  9. anonymous
    • one year ago
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    yes, top and bottom, and don't forget the distributive law

  10. Jravenv
    • one year ago
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    3x-6/12y

  11. anonymous
    • one year ago
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    right

  12. anonymous
    • one year ago
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    repeat with \[\frac{x+3}{6y}\]

  13. Jravenv
    • one year ago
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    2x+6/12y

  14. anonymous
    • one year ago
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    ok good, now we are ready to add and subtract the denomiator will be \(12y\) and the numerator will be \[4x+4+3x-6-(2x+6)\] notice the last parentheses, you still have to distribute the minus sing, then combine like terms

  15. anonymous
    • one year ago
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    let me know when you get \(5x-8\)

  16. anonymous
    • one year ago
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    did you get it ?

  17. Jravenv
    • one year ago
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    Yes I did.

  18. anonymous
    • one year ago
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    happy now?

  19. Jravenv
    • one year ago
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    Yes, thank you, you make this stuff seem easy haha

  20. anonymous
    • one year ago
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    it is all easy when you know what you are doing when you do not, it is not since you were not born knowing this (i assume) you learn as you do it

  21. Jravenv
    • one year ago
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    makes sense.

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