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

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The equation is $\"\"$ .

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Apply addition proparty of equality: Add 4 to 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 proparty: $\"\"$ )

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

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Apply division proparty of equality: Divide each side by 2.

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$\"\"$

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$\"\"$ (Cancel common terms)

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

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Check:

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To check the solution substitute 2 for y in original equation.

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$\"\"$

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

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

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Compare the values the equation is true.

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$\"\"$

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The value of $\"\"$ .