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10 March, 10:44

if the sum of a number and three is tripled, the result is eight less than twice the number. find the number

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  1. 10 March, 14:11
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    3 (3 + n) = 2n-8

    9+3n=2n-8

    +8 + 8

    17+3n=2n

    -3n - 3n

    17 = - 1n

    n = - 17
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