$\"\"$

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

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The equation is $\"\"$ .

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Apply subtraction property of equality: Subtract 4 from each side.

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$\"\"$

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

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

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

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Apply subtraction property of equality: Subtract 3x from each side.

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$\"\"$

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Apply commutative property of addition: $\"\"$ .

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$\"\"$

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

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

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Apply division property of equality: Divide each side by negative 5.

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$\"\"$

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$\"\"$ (Cancel common terms)

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$\"\"$ (Simplify) $\"\"$

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The value of $\"\"$ .