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anonymous

  • one year ago

Of the four expressions presented here, which two are equivalent? Expression I: 6n + 5 Expression II: 2n + 5 + n + 3n Expression III: 5n + 5 Expression IV: 11n I and II II and III III and IV I and IV

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  1. anonymous
    • one year ago
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    Its Either B Or D. My Choice Was D But I Wanna Make Sure

  2. anonymous
    • one year ago
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    @paki

  3. anonymous
    • one year ago
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    @pooja195

  4. welshfella
    • one year ago
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    simplify the second one. bring like terms together 2n + 3n + n = 5 = ?

  5. anonymous
    • one year ago
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    @paki

  6. anonymous
    • one year ago
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    welshguy. so it is B Not D?

  7. welshfella
    • one year ago
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    what is 2n + 3n + n

  8. anonymous
    • one year ago
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    I DUNNO THATS WHY IM ASKING XD

  9. anonymous
    • one year ago
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    5n + n?

  10. welshfella
    • one year ago
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    you are getting there what is 5n + n ?

  11. anonymous
    • one year ago
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    5n.

  12. welshfella
    • one year ago
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    if i have 5 cats and i get another cat how many acts have i got?

  13. welshfella
    • one year ago
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    * cats lol

  14. anonymous
    • one year ago
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    2n + 5 + n + 3n is what it is.. not what ur putting

  15. anonymous
    • one year ago
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    so if i simplifiy what i put it becomes 5n + 5 + n

  16. welshfella
    • one year ago
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    suppose n stands for a cat 5 cats + 1 cat = 6 cats 5n + n = 6n

  17. welshfella
    • one year ago
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    you can add all the n's together.

  18. anonymous
    • one year ago
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    but it doesnt tell you n = 1.. you cant add n and assume its gonna make 5n 6n

  19. welshfella
    • one year ago
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    n is the same as 1n

  20. welshfella
    • one year ago
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    n + n = 2n n + 5n = 6n

  21. welshfella
    • one year ago
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    1n + 5n = 6n

  22. anonymous
    • one year ago
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    so then its A?

  23. welshfella
    • one year ago
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    yes

  24. anonymous
    • one year ago
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    how u said its 6n alone not 6n + 5n

  25. anonymous
    • one year ago
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    Expression I: 6n + 5

  26. anonymous
    • one year ago
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    A = expression 1 and expression 2.

  27. welshfella
    • one year ago
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    you can only add LIKE terms n and 2n and 3n all have n in them they are like terms 5 is different

  28. welshfella
    • one year ago
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    yes thats right

  29. anonymous
    • one year ago
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    yeah. 5 is not a like term. so where did the 5 come from.

  30. welshfella
    • one year ago
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    It didn't come from anywhere its just there

  31. anonymous
    • one year ago
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    how is it there. how did it get there.

  32. anonymous
    • one year ago
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    you said it was 6n not 6n + 5

  33. anonymous
    • one year ago
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    so how did the 5 get there...

  34. welshfella
    • one year ago
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    It might help to think of n as a box of apples and the 5 as 5 apples so 2n + 5 is |dw:1440789153532:dw|

  35. welshfella
    • one year ago
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    2 boxes of apples + 5 apples 2n + 5

  36. anonymous
    • one year ago
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    your not getting it.. an example isnt gonna help. where did the 5 come from. your not explaining hat.

  37. anonymous
    • one year ago
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    that* not hat.

  38. welshfella
    • one year ago
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    the 5 are 5 apples

  39. anonymous
    • one year ago
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    ... thats not an answer.

  40. anonymous
    • one year ago
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    where.

  41. anonymous
    • one year ago
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    did.

  42. anonymous
    • one year ago
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    the 5.

  43. anonymous
    • one year ago
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    come from

  44. anonymous
    • one year ago
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    saying the 5 apples isnt really telling me.

  45. welshfella
    • one year ago
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    I'm afraid its you who's not getting it my friend

  46. anonymous
    • one year ago
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    how so. care to explain how im not getting it?

  47. welshfella
    • one year ago
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    would you prefer chocolates, or coconuts - it could be 5 anything? lets put it this way . Most people understand this argument. I think you are kidding me on.

  48. anonymous
    • one year ago
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    Expression I: 6n + 5 Expression II: 2n + 5 + n + 3n

  49. anonymous
    • one year ago
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    i read the wrong one forgive me xD. i get it now 2n + 3n = 5n. 5n + n = 6n. then the 6n + 5 is whats left over.

  50. welshfella
    • one year ago
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    simplify I gives II

  51. welshfella
    • one year ago
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    ok

  52. anonymous
    • one year ago
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    i know. like i said after simplifying Expression I: 6n + 5 Expression II: 2n + 5 + n + 3n 2n + 3n + 5n + n + 6n.

  53. anonymous
    • one year ago
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    then it leave 6n + 5

  54. anonymous
    • one year ago
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    therefore expression 2 simplified = expression 1

  55. welshfella
    • one year ago
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    this analogy with apples , cats or whatever may be a bit childish but it very often is the key to understanding for most people. yes

  56. anonymous
    • one year ago
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    \[3 n+2 n+n+5=6 n+5 \]

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