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$\"\"$

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The equation is $\"\"$

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$\"\"$ (Subtract 4a from each side)

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$\"\"$ (Additive inverse property: 4a – 4a = 0)

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

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$\"\"$ (Add 2b to each side)

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$\"\"$ (Additive inverse property: 2b – 2b = 0)

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

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

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The value of $\"\"$ .

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