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\"\" \ \ The Perimeter of rectangle is \"\".

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According to subtraction property of equality: If a = b then a – c = b - c.

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\"\"                 (Subtract 2w from each side)

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\"\"                             (Additive inverse property: \"\")

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\"\"                                   (Additive inverse property: \"\")

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\"\"                              (Divide each side by 2)

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\"\"                                   (Cancel common terms)

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\"\"

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\"\"

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\"\"                              (Substitute \"\")

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

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\"\"                                          (Subtract: \"\")

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\"\"                                             (Divide: \"\")\"\"

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  Length \"\"in

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