$\"\"$

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The equation is $\"\"$

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$\"\"$ (Subtract ‘h’ from each side)

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

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$\"\"$ (Apply additive identity property: $\"\"$ ) \ \ $\"\"$ $\"\"$ (Subtract $\"\"$ fromeach side)

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$\"\"$ (Apply commutative property of addition: $\"\"$ )

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

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

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

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$\"\"$ (Divide each side by 4)

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

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The value of $\"\"$ .