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31 August, 13:24

A=a+b+c+d. Solve for c

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Answers (2)
  1. 31 August, 14:03
    0
    A-a-b-d = c

    Step-by-step explanation:

    A=a+b+c+d

    We want to get c alone

    Subtract a from each side

    A-a = a+b+c+d - a

    A-a = b+c+d

    Subtract b from each side

    A-a - b = b+c+d-b

    A-a - b = c+d

    Subtract d from each side

    A-a-b-d = c+d-d

    A-a-b-d = c
  2. 31 August, 14:36
    0
    A = a + b + c + d

    c = A - a - b - d
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