\"\"

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The equation is \"\".

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Apply multiplication property of equality: If a = b then \"\".

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\"\"   (Multiply each side by negative 2)

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\"\"                      (Cancel common terms)

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

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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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18 = 18                                 (Divide: \"\")

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The statement is true.\"\"

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The value of \"\".