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4 March, 15:05

3 (7x) - 2 (4-x) shhshsbdgsjjsjvshz

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Answers (2)
  1. 4 March, 15:19
    0
    3 (7x) - 2 (4-x)

    =21x-2 (4-x)

    =21x-2 (4) - 2 (-x)

    =21x-8+2x

    =23x-8
  2. 4 March, 15:20
    0
    Se utiliza la propiedad distributiva, es decir, se multiplica

    Step-by-step explanaio

    3 (7x) - 2 (4 - x)

    21x - (8-2x)

    21x + 8 + 2x

    23x + 8
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