\"\"

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The equation is \"\".

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Apply distributive property: \"\".

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\"\"

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\"\"           (Multiply:  \"\")

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

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Apply distributive property: \"\".

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\"\"

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\"\"             (Multiply:  \"\")

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

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\"\"                    (Each side cancel common terms)

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\"\"

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

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\"\"                             (Subtract 14w  from each side)

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

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\"\"                                         (Apply additive inverse  property: \"\")

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\"\"                                               (Apply additive identity  property: \"\")

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

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\"\"                                                  (Divide each side by negative 6)

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\"\"                                                                (Cancel common terms)\"\"

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Check:

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To check, substitute \"\" in equation \"\".

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\"\"          (Substitute \"\")

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Apply multiplicative identity property: \"\".

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\"\"

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

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

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\"\"                                   (Evaluate powers: \"\")

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Apply multiplicative identity property: \"\".

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\"\"

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

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

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

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The equation is true. \"\"

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The value of \"\".