$\"\"$

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The equation is $\"\"$ .

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Subtract $\"\"$ from each side. \ \

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$\"\"$

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Apply distributive property : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ \ \

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Divide each side by $\"\"$ .

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$\"\"$

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$\"\"$

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The value of $\"\"$ .