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17 July, 17:55

15=-3 (2c+3d)

solve for c

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Answers (1)
  1. 17 July, 21:21
    0
    Answer:c = (-15-9d) / 6

    Step-by-step explanation:

    15=-3 (2c+3d)

    Open brackets

    15=-6c-9d

    Add 9d to both sides

    15+9d=-6c-9d+9d

    15+9d=-6c

    Divide both sides by - 6

    (15+9d) / -6=-6c/-6

    - (15+9d) / 6=c

    c = - (15+9d) / 6

    c = (-15-9d) / 6
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