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math

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solve for c

A= -3(a + b - 1/3c)

  • math -

    Assuming you mean
    A= -3(a + b - (1/3)c)
    when parentheses are used correctly.

    Divide both sides by -3, and swap sides
    a+b-(1/3)c = -A/3
    -(1/3)c = -A/3-a-b

    Divide both sides by -(1/3)
    c = A+3a+3b

  • math -

    thank u

  • math :) -

    You're welcome!

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