\"\"

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The expression is \"\".

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\"\"             (Apply commutative property of addition: \"\")

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\"\"            (Apply distributive property: \"\")

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\"\"                     (Add: \"\")\"\"

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The terms are 4x,3,5x,y.

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The like terms are 4x,5x.

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The coefficients are 4,5,1.

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The constant is 3.