\"\"

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Original equation.

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\"\"

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\"\"

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\"\"                         (Equate the corresponding elements)\"\"

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Solve the equations

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\"\"                                                        (Divide each side by 2)

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\"\"                                                              (Cancel common terms)

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

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\"\"                                                 (Divide each side by 3)

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\"\"                                                       (Cancel common terms)

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

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The value of the expression \"\".

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\"\"                         (Substitute \"\" and \"\")

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

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

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Option B is the right answer.