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gabbyalicorn

  • one year ago

What is the value of x?

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  1. gabbyalicorn
    • one year ago
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  2. gabbyalicorn
    • one year ago
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    So, let me try this... |dw:1442025664039:dw|

  3. gabbyalicorn
    • one year ago
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    I feel like I only did it on one side.

  4. Nnesha
    • one year ago
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    how would you cancel out -8 from left side ? you should move all the numbers to the right side to solve for x

  5. gabbyalicorn
    • one year ago
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    I don't know I was just trying to do it the way @RigelCanopus show me. D:

  6. Nnesha
    • one year ago
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    oh for that question 6 was positive now to cancel out -8 from left side you should apply the opposite of subtraction

  7. gabbyalicorn
    • one year ago
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    showed*

  8. gabbyalicorn
    • one year ago
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    -8 + 8 ?

  9. Nnesha
    • one year ago
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    yes right add 8 both sides

  10. gabbyalicorn
    • one year ago
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    -16?

  11. Nnesha
    • one year ago
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    |dw:1442025848942:dw|

  12. gabbyalicorn
    • one year ago
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    |dw:1442025897208:dw|

  13. Nnesha
    • one year ago
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    yes right |dw:1442025923643:dw|

  14. Nnesha
    • one year ago
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    how how would you cancel out 4 from left side ? remember x is dividing by 4 so you should apply opposite of division

  15. gabbyalicorn
    • one year ago
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    |dw:1442026022881:dw|

  16. Nnesha
    • one year ago
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    what's that 4th root ? o.O

  17. Nnesha
    • one year ago
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    what is opposite of division ?

  18. gabbyalicorn
    • one year ago
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    oh, so sorry! multiplication. so 4 x 4?

  19. Nnesha
    • one year ago
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    yes right multiply both sides by 4 left you should multiply 4 times x/4

  20. Nnesha
    • one year ago
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    left side*

  21. gabbyalicorn
    • one year ago
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    Is the left side 20?

  22. Nnesha
    • one year ago
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    |dw:1442026136715:dw|

  23. gabbyalicorn
    • one year ago
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    Ah, I see. |dw:1442026173485:dw|

  24. Nnesha
    • one year ago
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    nope why we multiplied both sides by 4 ? so we cancel out 4 from left side right ?

  25. Nnesha
    • one year ago
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    \[4 \times \frac{ x }{ 4}=\frac{ 4x }{ 4 }= ?\]

  26. gabbyalicorn
    • one year ago
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    Hmm, I'm a little confuse on how figure to the problem...

  27. Nnesha
    • one year ago
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    4 times x/4 is same as 4/4 times x

  28. gabbyalicorn
    • one year ago
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    oh. |dw:1442026398432:dw|

  29. Nnesha
    • one year ago
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    yes right can't u cancel out something ?

  30. gabbyalicorn
    • one year ago
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    |dw:1442026442236:dw|

  31. gabbyalicorn
    • one year ago
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    Sp, we are left with 4x?

  32. Nnesha
    • one year ago
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    |dw:1442026436970:dw|

  33. gabbyalicorn
    • one year ago
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    16?

  34. Nnesha
    • one year ago
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    like i said we should multiply both sides by 4 so we can cancel out 4 from left side

  35. Nnesha
    • one year ago
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    4/4 = ?

  36. gabbyalicorn
    • one year ago
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    1? the / is confusing me

  37. Nnesha
    • one year ago
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    \[4 \times \frac{ x }{ 4 }= \frac{ \color{Red}{4}x }{ \color{ReD}{4} }\] 4 times x/4 is same as 4/4 times x and 4/4 isn't 16

  38. gabbyalicorn
    • one year ago
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    what does the / represent?

  39. Nnesha
    • one year ago
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    here is an example \[\huge\rm \cancel{3} \times \frac{ 2 }{\cancel{ 3} }\]

  40. Nnesha
    • one year ago
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    division (fraction )

  41. gabbyalicorn
    • one year ago
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    ok.

  42. Nnesha
    • one year ago
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    so \[\huge\rm \color{ReD}{\cancel{4}} \times \frac{ x }{ \cancel{4}}=20 \times \color{ReD}{4}\] when we multiply both sides by 4 at left side 4 would cancel each ohter out

  43. gabbyalicorn
    • one year ago
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    20 x 4= 80

  44. gabbyalicorn
    • one year ago
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    ?

  45. Nnesha
    • one year ago
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    yes right

  46. gabbyalicorn
    • one year ago
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    :O :D :) Thank you!

  47. Nnesha
    • one year ago
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    np

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