\"\"

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\"\"\"\"

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The equation is \"\".

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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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\"\"                           (Divide: \"\")

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Write two cases:

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Case-1: \"\"

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\"\"

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Case-2: \"\"

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\"\"   \"\"

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Solve the equation for Case-1.

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\"\"

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Apply subtraction property of equality: Subtract 6 from each side.

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 \"\"

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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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Check:

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To check the solution, substitute \"\" in original equation.

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\"\"

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\"\"                      (Add: \"\")

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\"\"                     (The absolute value of 12 is 12)

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36 = 36                           (Multiply: \"\")

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Compare the values the equation is true.

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\"\"

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Solve the equation for Case-2.

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\"\"

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Apply subtraction property of equality: Subtract 6 from each side.

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\"\"

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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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Check:

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To check the solution, substitute \"\" in original equation.

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\"\"

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

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\"\"                              (The absolute value of \"\" is 12)

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Compare the values the equation is true. \"\"

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The solution set is x \"\".