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4 November, 06:03

How do you solve

-3 (1+6r) = 14-r

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Answers (1)
  1. 4 November, 08:53
    0
    r = (-1)

    Step-by-step explanation:

    Firstly simplify the brackets,

    ; - 3 (1 + 6r) = - 3 - 18r

    then substitute on the bracket with the simplified form,

    ; - 3 - 18r = 14 - r

    then move the values with (r) to one side and the other ones without (r) to the other side

    ; - 3 - 14 = 18r - r

    ; - 17 = 17r

    then divide both sides by 17,

    ; - 1 = r

    Hence ... r = - 1
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