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17 May, 15:40

What is the answer to this problem - 8=2u-4

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Answers (2)
  1. 17 May, 15:55
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    -8 + 4 = 2u

    -4/2 = 2u/2

    -2 = u
  2. 17 May, 15:59
    0
    -8=2u-4

    First you add 4 to both sides in order to leave the 2u alone (your goal is to get the u to be alone)

    -4=2u

    Then you divide each side by 2

    -2=u

    So you get - 2
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