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

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The given equation is \"\".

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Apply addition property of equality: Add  28 to each side.

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\"\"

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\"\"                  (Add: \"\")

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According to divison property of equality: Divide each side by 3x.

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\"\"

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\"\"                    (cancel comman terms)\"\"\"\"                (Substitute x= 4)

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

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

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

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The solution is  \"\".

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