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30 June, 18:40

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

A. 14x + 7

B. - 4x + 19

C. 14x + 19

D. - 4x + 7

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Answers (2)
  1. 30 June, 19:05
    0
    5 (x + 3) - 9x + 4

    use distributive property

    = (5) (x) + (5) (3) - 9x + 4 = 5x + 15 - 9x + 4 = (5x - 9x) + (15 + 4)

    = - 4x + 19

    Answer: B. - 4x + 19
  2. 30 June, 21:53
    0
    So you're gonna want to distribute first, so the equation becomes:

    5x+15-9x+4

    Then combine like terms.

    15+4=19

    5x-9x=-4x

    Answer:

    -4x+19
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