$\"\"$ $\"\"$

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The equation is $\"\"$

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$\"\"$ (Apply Apply Distributive property: $\"\"$ )

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$\"\"$ (Multiply the factors)

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$\"\"$

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$\"\"$ (Subtract $\"\"$ from both sides)

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$\"\"$ (Apply Commutative proparty: $\"\"$

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$\"\"$ (Apply Additive inverse proparty: $\"\"$ )

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$\"\"$

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$\"\"$ (Apply Additive identity proparty: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Add 6 to both sides)

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$\"\"$ (Apply Additive identity proparty: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$

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$\"\"$ (Divide both sides by 6)

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$\"\"$ (Cancel common terms)

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

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$\"\"$

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The value of $\"\"$ .

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