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30 September, 00:02

Robert has seven more than five times the number of video games Sam has. All together they have 25 video games. How many video games does Robert have?

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  1. 30 September, 03:22
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    Step-by-step explanation:

    r = 5s + 7

    r + s = 25

    5s + 7 + s = 25

    6s + 7 = 25

    6s = 25 - 7

    6s = 18

    s = 18/6

    s = 3 <== = sam has 3 video games

    r = 5s + 7

    r = 5 (3) + 7

    r = 15 + 7

    r = 22 <== = robert has 22 video games
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