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

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The equation is \"\".

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According to addition property of equality: Add 3x to each side.

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\"\"

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\"\"          (Apply commutative property of addition: \"\")

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

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

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

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According to division property of equality: Divide each side by 9.

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\"\"

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\"\"                                      (Cancel common terms)

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\"\"

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The value of x is \"\".