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23 May, 01:36

What is the sum of the expression below? (9c - 8d) + (2c - 6) + (-d + 3)

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Answers (2)
  1. 23 May, 02:26
    0
    11c-9d-3

    Step-by-step explanation:

    9c-8d+2c-6-d+3

    =9c+-8d+2c+-6+-d+3

    =9c+-8d+2c+-6+-d+3

    = (9c+2c) + (-8d+-d) + (-6+3)

    =11c+-9d+-3

    Answer--

    =11c-9d-3
  2. 23 May, 02:50
    0
    11c - 7d - 3

    Step-by-step explanation:

    9c-8d+2c-6-d+3

    =9c+-8d+2c+-6+-d+3

    =9c+-8d+2c+-6+-d+3

    = (9c+2c) + (-8d+-d) + (-6+3)

    =11c+-9d+-3

    Answer--

    =11c-9d-3
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