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9 March, 01:31

What are the steps to answer - 3 (2r+7) = 3

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Answers (2)
  1. 9 March, 01:57
    0
    You times - 3 by 2r and get - 6r and then times - 3 by 7 and get 21

    -6r - 21=3

    subtract-21 from 3 and you'll get - 18 and divide - 18 and - 6r and you get R = - 3
  2. 9 March, 02:00
    0
    -3 (2r+7) = 3

    distribute - 3

    -6r-21=3

    add 21 to both sides, this causes the 21 on the left to cancel itself out.

    -6r=24

    divide each side by - 6, this causes the - 6 on the left side to cancel itself out.

    r=-4
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