\"\"

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The expression is \"\".

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Solve the expression.

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\"\"       (Original expression)

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\"\"            (Distributive property: \"\")

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\"\"            (Commutative property: \"\")

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\"\"          (Distributive property: \"\")

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\"\"                                 (Substitute: \"\" and \"\")

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Therefore, the value of expression is \"\".

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\"\"

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\"\".