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4 June, 17:44

Which expression is equivalent to (13r-16) + (-21r + 20)

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  1. 4 June, 18:20
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    -8r + 4

    Step-by-step explanation:

    13r and - 21r are like terms are both like terms so you can add them up ant get - 8r

    Same with - 16 and 20 which will give you 4

    _8r + 4
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