\"\"\"\"

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The equation is \"\".

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\"\"                   (Subtract 7 from each side.)

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\"\"                     (Subtract:  \"\")

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

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

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\"\"

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\"\"             (Add 3x to each side)

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\"\"             (Apply Commutative property: \"\")

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

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

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\"\"                  (Multiply each side by negative one)

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\"\"                                         (Product of two same signs is positive)

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\"\"

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 The value of \"\"

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