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Solve the System by the Best Method {3x=−9x+5y=17\left\{ \begin{array} { l } 3 x = - 9 \\x + 5 y = 17\end{array} \right.

Question 60

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- {3x=−9x+5y=17\left\{ \begin{array} { l } 3 x = - 9 \\x + 5 y = 17\end{array} \right.


A) {(3,4) }\{ ( 3,4 ) \}
B) no solution; ∅\varnothing
C) {(3,−4) }\{ ( 3 , - 4 ) \}
D) {(−3,4) }\{ ( - 3,4 ) \}

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