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7 March, 12:34

9n + 3 (n - 2) = - 18

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Answers (2)
  1. 7 March, 12:36
    0
    Anwser is n = - 1

    Step-by-step explanation:

    You do distributive property you multiply 3 to n and 3 by - 2 and your equation becomes 9n+3n-6=-18. Than you combine like terms and you get 12n-6=-18 and then you add 6 to the - 18 and you get - 12 and you divide - 12 by 12 and you get - 1
  2. 7 March, 12:53
    0
    n = - 1

    Step-by-step explanation:

    distribute 3 to n and - 2 which gives you 3n and - 6

    combine like terms of 9n and 3n which gets you 12

    Bring - 6 to other side by adding it to both sides. that leaves you with - 12

    -12 divided by 12 equals - 1
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