\"\"\"\"\"\"

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The equation is \"\".

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Apply addition property of equality: Add 6 to 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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\"\"            (Add: 6.96 + 6 = 12.96)\"\"

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\"\"     (Add 0.15c to each side)

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Apply commutative property of addition: a + b = b + a

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\"\"

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

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

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\"\"                             (Add: 2.01c + 0.15c = 2.16c) \"\"

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Apply division property of equality: Divide each side by 2.16c.

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\"\"

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\"\"                                  (Cancel common terms)

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

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The solution is \"\".