\"\"

\

The expression is \"\".

\

Apply commutative property of addition: \"\".

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\"\"

\

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

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\"\"               (Add: \"\")

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

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

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The terms are \"\".

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The like terms are \"\".

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The coefficients are 3, 3.

\

The constants are: 2, 7.