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17 November, 20:41

How do you write the problem fifteen more than twice a number is eight more than three times the number?

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  1. 17 November, 20:52
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    we call n - the number

    2*n + 15 = 3*n + 8

    2*n - 3*n = 8 - 15

    -n = - 7 │ * (-1)

    n=7
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