\"\"\"\"

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The expression is \"\".

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Distribute terms using distributive property: \"minus.

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\"\"                         (Remove parentheses)

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Apply commutative propertie of addition: a + b = b + a.

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\"\"

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\"\"                                  (Apply Additive inverse property: \"\")

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\"\"                                        (Subtract:  \"\")

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\"\"                                               (Apply Additive identity property: \"\")\"\"

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The simplified expression is 2.