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

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The expression is $\"\"$ .

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

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Apply subtraction property of equality: if $\"\"$

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$\"\"$ (Subtract 4 from each side) \ \

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

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

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

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Apply division property of equality: if $\"\"$

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$\"\"$ (Divide each side by 8) \ \

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$\"\"$ (Cancel common terms) \ \ $\"\"$

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The value of expression is $\"\"$ . \ \