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69

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PAGE: 257SET: ExercisesPROBLEM: 69
Please look in your text book for this problem Statement

The system of equations are and .

Solve the system of equations.

Subtract from 1st and 2nd equations.

                                (Divide each side by )

                                       (Cancel common terms)

Find -value.

                          (First equation)

                        (Substitute )

                          (Multiply)

         (Add to each side)

                                  (Apply additive inverse property: )

                             (Divide each side by )

                                       (Cancel common terms)

The solution of the system of equation is .

Option C is right choice.



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