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30 December, 12:06

Andrea writes a down a number, k. I write down a number that is 4 less than 5 times Andrea's number. If the sum of our numbers is 14, find the two numbers.

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  1. 30 December, 12:18
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    Givens

    Andrea: K

    Me: 5k - 4

    Sum

    k + 5k - 4 = 14

    Solve

    6k - 4 = 14 Add 4 to both side.

    6k - 4 + 4 = 14 + 4

    6K = 18 Divide by 6

    k = 18/6

    k = 3
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