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9 July, 12:24

1/2 (4n-8) + 10=4 (n+5)

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Answers (2)
  1. 9 July, 12:48
    0
    Answer:multiply both numbers in the parenthesis by the number outside:

    2n+4 + 10=4n+20

    add all like terms

    2n+14=4n+20

    subtract both sides by 14 and 4

    2n-4n = 20 - 14

    add or subtract like terms

    -2n = 6

    divide both sides by - 2

    n = - 3
  2. 9 July, 12:51
    0
    n = - 7
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