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30 June, 17:27

Which expressions are equivalent to 4 (4x + 2y + x - y) ?

A. 4 (5x + 3y) and 20x + 12y

B. 4 (5x + y) and 20x + 4y

C. 4 (3x + y) and 12x + 4y

D. 4 (3x + 3y) and 12x + 12y

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Answers (1)
  1. 30 June, 18:41
    0
    To get the answer you need to combine like terms.

    4x + x = 5x

    2y - y = y

    This gives you 4 (5x + y)

    Distribute the 4.

    4*5x + 4*y

    20x + 4y

    The answer is C.
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