\"\"\"\"

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The expression is \"\".

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

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\"\"    (Distribute –1)

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\"\"                        (Multiply: \"\")

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

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\"\"                                   (Subtract: 15 – 1 = 14)\"\"

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The simplified expression is 14t + 4.