\"\"\"\"

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The expression is \"\".

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Rearrange the terms using the distributive property: \"\".

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\"\" (Distribute –2)

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\"\"            (Multiply: \"\")

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\"\"            (Apply Commutative property of addition: a + b = b + a)

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\"\"          (Apply distributive property: ab + ac = (b + c)a)

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\"\"                           (Add:  –2 + 17 = 15)\"\"

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Simplified expression is 15s + 6.