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20 November, 13:00

Simplify (3x + 5) + (2x - 9) - (4x+3).

A.) X-7

B.) - X-7

C.) 9x1

D) 9x1

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Answers (2)
  1. 20 November, 16:38
    0
    x - 7

    Step-by-step explanation:

    (3x + 5) + (2x - 9) - (4x+3)

    3x + 5 + 2x - 9 - 4x - 3

    x - 7
  2. 20 November, 16:52
    0
    (3x + 5) + (2x - 9) - (4x+3)

    Pretend that there is a - 1 in front of the third bracket

    -1 (4x+3)

    = - 4x-3

    3x+5+2x-9-4x-3

    3x+2x-4x+5-9-3 (rearranging)

    5x-4x-4-3

    x-7

    Answer: A.) X-7
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