\"\"

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The equation is \"\".

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Apply division property of equality: Divide each side by negative 3.

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\"\"

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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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-72 = -72                           (Multiply:\"\")

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The statement is true.\"\"

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The value of \"\".