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20 October, 13:42

What's the value of n in the equation-1/2 (2n+4) + 6=-9+4 (2n+1)

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Answers (2)
  1. 20 October, 15:23
    0
    n = 13/7

    Step-by-step explanation:

    Solve the equation

    Step 1: Use distributive property to multiply out the terms with parenthesis

    (1/2) (2n) + (1/2) (4) + 6 = - 9 + 4 (2n) + 4 (1)

    n + 2 + 6 = 9 + 8n + 4

    Step 2: combine like terms ...

    n + 8 = 8n - 5

    Step 3: Get all "n's" to one side, and all constants on the other and solve

    13 = 7n (subtract n from both sides and add 5 to both sides)

    13/7 = n (divide both side by 7)
  2. 20 October, 16:54
    0
    n=13/7

    Step-by-step explanation:

    2n+4+6*2=-9*2+8 (2n+1)

    2n+4+12=-18+16n+8

    16+18=16n-2n+8

    34=14n+8

    34-8=14n

    26=14n

    n=13/7
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