\"\"

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The system of equations are \"\" and \"\".

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Solve the system of equations.

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Subtract from 1st and 2nd equations.

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\"\"

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\"\"                                (Divide each side by \"\")

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\"\"                                       (Cancel common terms)

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Find \"\"-value.

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\"\"                          (First equation)

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\"\"                        (Substitute \"\")

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\"\"                          (Multiply)

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\"\"          (Add \"\" to each side)

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

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\"\"                             (Divide each side by \"\")

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\"\"                                       (Cancel common terms)

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The solution of the system of equation is \"\".\"\"

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Option C is right choice.