$\"\"$

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The equation is $\"\"$ .

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Apply addition property of equality: Add $\"\"$ to each side.

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$\"\"$

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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Combine like terms using distributive property: ab + bc = a (b + c)

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

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$\"\"$ (LCM is 3)

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$\"\"$ (Add: $\"\"$ )

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$\"\"$ (Apply additive identity property: $\"\"$ ) $\"\"$

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Apply subtraction property of equality: Subtract $\"\"$ from each side.

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$\"\"$

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Apply commutative property of addition: a + b = b + a.

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$\"\"$

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (LCM is 4)

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

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

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$\"\"$ (Apply additive identity property: $\"\"$ ) $\"\"$

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Apply multiplication property of equality: Multiply each side by negative 3.

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$\"\"$

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$\"\"$ (Cancel common terms)

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

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The value of $\"\"$ .