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

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The equation is $\"\"$

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According to subtraction property of equality: If a = b then a $\"\"$ c = b – c. \ \ $\"\"$ (Subtract 4 from each side)

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$\"\"$ (Commutative property: a + b = b + a)

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

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

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

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$\"\"$ (Multiply each side by 3)

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$\"\"$ (Cancel common terms)

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

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$\"\"$

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$\"\"$

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The value of $\"\"$ .

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