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Solve the System by the Substitution Method {y=−3x+132x+9y=−8\left\{ \begin{aligned}y & = - 3 x + 13 \\2 x + 9 y & = - 8\end{aligned} \right.

Question 50

Multiple Choice

Solve the system by the substitution method.
- {y=−3x+132x+9y=−8\left\{ \begin{aligned}y & = - 3 x + 13 \\2 x + 9 y & = - 8\end{aligned} \right.


A) {(−5,2) }\{ ( - 5,2 ) \}
B) ∅\varnothing
C) {(5,−2) }\{ ( 5 , - 2 ) \}
D) {(x,y) ∣3x+y=13}\{ ( x , y ) \mid 3 x + y = 13 \}

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