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6 October, 19:21

An equation is shown below: 4 (x - 3) - 5 (x + 1) = 3 Which of the following algebraic properties is not needed to solve this equation? Distributive property Addition property of equality Commutative property of addition Transitive property

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  1. 6 October, 20:24
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    Distributive property YES: 4 (x - 3) = 4x - (4) (3)

    Addition property YES:

    4x - 12 - 5x - 5 = 3

    -x - 17 = 3

    (-x - 17) + 17 = 3 + 17

    -x = 20

    Commutative property YES:

    4x - 12 - 5x - 5 = 3

    4x - 5x - 12 - 5 = 3

    Transitive property NO:

    if a = c and b = c then a = c
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