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21 March, 04:19

What is the value of n in the equation 3n + 2 (n + 2) = 9n + 12?

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  1. 21 March, 05:08
    0
    3n + 2 (n+2) = 9n+12

    3n+2n+4=9n+12

    5n-9n=12-4

    -4n=8

    n=-2
  2. 21 March, 08:11
    0
    3n + 2 (n + 2) = 9n + 12

    3n + 2n + 4 = 9n + 12

    5n + 4 = 9n + 12

    5n - 9n = 12 - 4

    -4n = 8

    n = 8/-4

    n = - 2
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