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

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The expression is $\"\"$

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Apply addition proparty of equality: If a = b then $\"\"$

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$\"\"$ (Add 4 to each side.)

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

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

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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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Check:

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Substitute 5 for x in original equation.

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$\"\"$

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

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

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Compare the values the equation is true. $\"\"$

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The value of $\"\"$ .

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