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28 April, 10:06

If a = 7, what is the value of the expression 2 (a + 8) ?

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  1. 28 April, 10:56
    0
    Plug in a=7, and you have

    2 (7 + 8)

    Here, we know that 7+8=15

    So we have 2 (7 + 8) = 2 (15)

    2 times 15 equals 30

    So 2 (7 + 8) = 2 (15) = 30
  2. 28 April, 11:26
    0
    2 (7 + 8)

    Do the distribute property.

    14 + 16

    = 30
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