$\"\"$

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The equation is $\"\"$ .

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Solve by algebraically.

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$\"\"$ (Add 72 to each side)

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$\"\"$ (Simplify)

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$\"\"$ (Divide each side by 24)

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$\"\"$ (Divide: $\"\"$ ) \ \ The solution is 3. $\"\"$

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The root of the equation $\"\"$ is 3.