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7 September, 18:08

Which property was used to simplify the expression of 3c+9+4c=3c+4c+9

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  1. 7 September, 19:21
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    Question:

    Which property was used to simplify the expression?

    3c+9+4c=3c+4c+9

    distributive property

    commutative property

    associative property

    inverse property

    Answer:

    Commutative property of addition is used

    Solution:

    Given that,

    3c + 9 + 4c = 3c + 4c + 9

    We have to find the property used here

    The property used is commutative property of addition

    Definition:

    Commutative property of addition means that numbers can be added in any order and we will still get the same answer

    This means that,

    a + b + c = a + c + b

    It doesnt matter which is added first, we will still get the same answer

    Therefore,

    3c + 9 + 4c = 3c + 4c + 9

    7c + 9 = 7c + 9

    Thus commutative property of addition is used
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