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

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The equation is $\"\"$ .

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To solve an absolute value equation is $\"\"$ ,where c > o.

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First it can write two equations.

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Equation 1: $\"\"$

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$\"\"$

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Equation 2: $\"\"$

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

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Solve equation 1 is $\"\"$ .

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Apply addition property of equality: Add 6 to each side.

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$\"\"$

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$\"\"$ (Add: $\"\"$ )

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Apply division property of equality: Divide each side by 3.

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$\"\"$

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

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Solve equation 2 is $\"\"$ .

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$\"\"$ (Add 6 to each side)

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$\"\"$ (Add: $\"\"$ )

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$\"\"$ (Divide each side by 3)

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

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The solution set is $\"\"$ .