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26 July, 03:10

X=3 and y=15

twice the sum of a number x and 8

+3
Answers (2)
  1. 26 July, 04:54
    0
    The expression would be 2 * (x+8)

    Plugging 3 into x, you get 2 * (3+8)

    Parentheses first: (3+8) = 11

    2*11=22
  2. 26 July, 05:18
    0
    (x+8) * 2

    when you evaluate, you get 22
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