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Solve the System by the Best Method {−2x−8y=−386x−9y=−18\left\{ \begin{array} { l } - 2 x - 8 y = - 38 \\6 x - 9 y = - 18\end{array} \right.

Question 57

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- {−2x−8y=−386x−9y=−18\left\{ \begin{array} { l } - 2 x - 8 y = - 38 \\6 x - 9 y = - 18\end{array} \right.


A) {(−3,5) }\{ ( - 3,5 ) \}
B) {(3,4) }\{ ( 3,4 ) \}
C) {(2,5) }\{ ( 2,5 ) \}
D) no solution; ∅\varnothing

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