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20 March, 01:34

What is the answer to - 3 (1+6r) = 14-r

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  1. 20 March, 01:54
    0
    -3 (1+6r) = 14-r

    -3-18r=14-r

    -18r+r=14+3

    -17r=17

    r=-1
  2. 20 March, 03:05
    0
    -3 (1+6r) = 14-r

    -3 - 18r = 14 - r ... expand by using distributive property

    -3 - 17r = 14 ... add (r) to both sides

    -17r = 17 ... add (3) to both sides

    r = - 1 ... divide both sides by (-17)
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