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7 January, 07:28

Use the distributive property to evaluate 4 (2x-1) when x=3.

Select one:

a. 4

b. 16

c. 20

d. 23

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Answers (1)
  1. 7 January, 10:28
    0
    For this case we have the following expression:

    4 (2x-1)

    For x = 3 we have:

    4 (2 (3) - 1)

    Rewriting:

    4 (6-1)

    Using distributive property we have:

    4 * 6 - 4 * 1

    Rewriting

    24 - 4 = 20

    Answer:

    Therefore, the correct answer is:

    c. 20
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