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anonymous

  • one year ago

3/3x+5=1/9x Help me solve plz

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  1. welshfella
    • one year ago
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    is this |dw:1436285089563:dw|

  2. anonymous
    • one year ago
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    Yeah thats what it looks like. So when i cross multiply, would it be 27x=3x+5?

  3. welshfella
    • one year ago
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    yes

  4. welshfella
    • one year ago
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    next step is to subtract 3x from both sides

  5. anonymous
    • one year ago
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    \[27x=3x+5\] then \[24x=5\]

  6. welshfella
    • one year ago
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    correct

  7. welshfella
    • one year ago
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    now you isolate x

  8. welshfella
    • one year ago
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    by a division

  9. anonymous
    • one year ago
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    I got 4.8?

  10. welshfella
    • one year ago
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    24x /24 = 5/24 x = 5/24

  11. welshfella
    • one year ago
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    you divide both sides by 24

  12. anonymous
    • one year ago
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    yeah i still get 4.8

  13. anonymous
    • one year ago
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    \[24x=5\] \[24x/24=5/24\]

  14. welshfella
    • one year ago
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    thats right - but it looks like you have divided 24 by 5 rather than 5 by 24

  15. anonymous
    • one year ago
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    Oh so then that way i got 0.208

  16. welshfella
    • one year ago
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    yes thats right

  17. anonymous
    • one year ago
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    so what would that be in fraction form?

  18. welshfella
    • one year ago
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    5/24

  19. anonymous
    • one year ago
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    That isnt one of my answer choices :(

  20. welshfella
    • one year ago
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    what are your choices?

  21. anonymous
    • one year ago
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    1/5 1/2 5/3 16/5

  22. welshfella
    • one year ago
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    well the question must be different from the one we solved

  23. anonymous
    • one year ago
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  24. welshfella
    • one year ago
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    the first fraction is 3/ (2x + 5) not 3/(3x + 5)

  25. anonymous
    • one year ago
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    Oh Im so sorry :(

  26. welshfella
    • one year ago
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    thats ok so we have 27x = 2x + 5 25x = 5 x = 5/15

  27. welshfella
    • one year ago
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    * x = 5/25 = 1/5

  28. anonymous
    • one year ago
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    And that reduces to....???

  29. welshfella
    • one year ago
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    5/25 = 1/5

  30. welshfella
    • one year ago
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    or 0.2

  31. anonymous
    • one year ago
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    Oh thank you so much :D

  32. welshfella
    • one year ago
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    yw

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