\"\"

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The equation is \"\".

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

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

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\"\"           (Divide each side by negative 12)

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\"\"                     (Cancel common terms)

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

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Check:

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To check the solution, substitute \"\"  in original equation.

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\"\"

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\"\"    (Product of two different signs is negative)

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\"\"         (Multiply: \"\")

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\"\"                    (Product of two same signs is positive)

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

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The statement is true.\"\"

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The value of \"\".