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9 July, 18:39

Two numbers have a sum of 1,212 and a difference of 518. What are the two numbers? (This is common core so i have to show my work)

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  1. 9 July, 20:41
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    You have x-518 and x

    (x-518) + x = 1,212

    combine xs

    2x - 518 = 1,212

    2x = 1,730

    x = 865

    Since 865 is x, 865 - 518 = 347 is your second number
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