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30 November, 06:10

Is 3x+12-2x equivalent to x+12. Use two properties of operations to justify your answer

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  1. 30 November, 09:27
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    Step-by-step explanation:

    Commutative property: 3x+12-2x = 3x-2x+12

    Substitution property: 3x-2x+12 = x+12

    x+12 = x+12

    Subtraction property: x-x+12 = x-x+12

    Substitution property: 12 = 12
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