$\"\"$

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The equation is $\"\"$ .

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$\"\"$ (Evaluate powers: $\"\"$ )

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

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$\"\"$ (Divide each side by 5)

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$\"\"$ (Cancel common terms)

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

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The value of $\"\"$ .

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