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24 October, 12:57

I don't get 7/8n-3=5/8n+12?

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Answers (2)
  1. 24 October, 16:03
    0
    Hey there, subtract 5/8n from both sides, 7/8n-3-5/8n+12-5/8n=1/4n-3=12, add 3 to both sides, 1/4n-3+3=12+3=1/4n=15, multiply both sides by 4, 4*1/4n=4*15, 4*15=60. So, n=60
  2. 24 October, 16:18
    0
    7/8n - 3 = 5/8n + 12

    (7n) / 8 - 3 = (5n) / 8 + 12

    7n - 24 = 5n + 96

    7n = 5n + 96 + 24

    7n = 5n + 120

    7n - 5n = 120

    2n = 120

    n = 120/2

    n = 60

    The answer is: n = 60
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