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anonymous

  • one year ago

Which expression is equivalent to 12x − 8x + 3 and why? 3 + 4x, because (12x − 8x) + 3 = 4x + 3 = 3 + 4x 7x, because 12x − 8x + 3 = 4x + 3 = 7x 12x − 5, because 12x − (8x − 3) = 12x − 5 x, because 12x − 8x + 3 = 12x − 11x = x

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  1. anonymous
    • one year ago
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    @UsukiDoll

  2. anonymous
    • one year ago
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    u there?

  3. UsukiDoll
    • one year ago
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    are you sure it's not \[12x^2-8x+3 \]? for the equation?

  4. anonymous
    • one year ago
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    no

  5. anonymous
    • one year ago
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    12x − 8x + 3

  6. UsukiDoll
    • one year ago
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    for once I don't understand this.. @midhun.madhu1987

  7. UsukiDoll
    • one year ago
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    I mean if you combine like terms it does become 4x+3... but don't know what goes on next.

  8. anonymous
    • one year ago
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    nvm next question

  9. anonymous
    • one year ago
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    The expression to find the perimeter of a rectangle is 2(length + width). What is the perimeter, in units, of a rectangle of length fraction 1 over 7 unit and width fraction 1 over 2 unit? fraction 1 and 1 over 7 units fraction 1 and 2 over 7 units fraction 4 over 9 unit fraction 2 over 9 unit

  10. anonymous
    • one year ago
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    @UsukiDoll

  11. anonymous
    • one year ago
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    @midhun.madhu1987

  12. UsukiDoll
    • one year ago
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    open a new question .

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spraguer (Moderator)
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