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11 November, 03:24

Evaluate each expression:

7. For all x, 5 - 3 (x - 4) = ?

A. - 3x + 17

B. - 3x - 7

C. - 3x + 1

D. - 3x - 4

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Answers (1)
  1. 11 November, 03:59
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    A. - 3x + 17

    Step-by-step explanation:

    5 - 3 (x - 4) use the distributive property: a (b + c) = ab + ac

    = 5 + (-3) (x) + (-3) (-4)

    = 5 - 3x + 12 combine like terms

    = - 3x + (5 + 12)

    = - 3x + 17
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