Solve Linear Systems by Substitution
- $$\begin{array} { r } 2 x + 5 y = - 9 \\x = 2 y\end{array}$$

question 254

Multiple Choice

Solve Linear Systems by Substitution
- $$\begin{array} { r } 2 x + 5 y = - 9 \\x = 2 y\end{array}$$

• A) \(\{ ( - 2 , - 1 ) \}\)
• B) \(\{ ( - 1 , - 2 ) \}\)
• C) \(\{ ( - 2,1 ) \}\)
• D) \(\{ ( - 1 , - 1 ) \}\)

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