\"\"\"\"

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The expression is \"\".

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

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\"\"         (Multiply:\"\")

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

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

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\"\"                          (Add: 5+35 = 40)

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\"\"                                   (Add: 21+35 = 56)\"\"

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The solution is \"\".

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