\"\"

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The equation is \"\".

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Case 1: If a = b,Then

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\"\"

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Case 2: If a = \"\"b, Then

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\"\"\"\"

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Solve equation for case 1.

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\"\"

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Apply addition property of equality: Add 3 to each side.

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\"\"

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\"\"                (Apply additive inverse property: \"\")

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

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Apply multiplication property of equality: Multiply each side by 4.

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\"\"

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\"\"                  (Cancel common terms)

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\"\"                      (Multiply: \"\")\"\"

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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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Solve equation for case 2.

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\"\"

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Apply addition property of equality: Add 3 to each side.

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\"\"

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\"\"            (Apply additive inverse property: \"\")

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\"\"                  (Add: \"\")\"\"

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Apply multiplication property of equality: Multiply each side by 4.

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\"\"

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\"\"                (Cancel common terms)

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\"\"                  (Multiply: \"\")\"\"

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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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Graph the solution on a number line.\"absolute\"\"

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The equality solution set is {16 or \"\"8}.