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30 January, 20:04

Samantha claims that 4x + 2 is equivalent to the expression x + 17 + 3x - 15. Check whether Samantha's equivalent expression is correct using x = 2

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Answers (2)
  1. 30 January, 22:52
    0
    Samantha is correct

    Step-by-step explanation:

    4 (2) + 2 = 10

    2 + 17 + 3 (2) - 15 = 10

    both are equal to 10 and are therefore equivalent expressions.
  2. 30 January, 23:38
    0
    Samantha is correct because when using x = 2, the resulting values in both expressions are equal.

    Step-by-step explanation:

    x + 17 + 3x - 15

    Collecting terms gives

    x + 3x + 17 - 15 = 4x + 2.
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