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algebra

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Identify the property or rule that justifies each step in the calculation.
6b+(8b+7c)-9c ____________________
(6b+8b)+(7c-9c)_____________________
(6b+8)b+(7-9)c ____________________

  • algebra - ,

    Correction on the last property:
    (6+8)b+(7-9)c

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