\"\"

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The equation is \"\".

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Apply distributive property: \"\".

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\"\"

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Group like terms.

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\"\"

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Combine like terms.

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\"\"

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Add 2 to each side.

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\"\"

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\"\".\"\"

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Substitute the value of \"\" in the original equation.

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\"\"

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\"\"

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\"\"

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\"\".\"\"

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The value of \"\".