Solve Linear Systems by Substitution
- $$\begin{aligned}x + y & = 6 \\y & = - 4 x\end{aligned}$$

question 270

Multiple Choice

Solve Linear Systems by Substitution
- $$\begin{aligned}x + y & = 6 \\y & = - 4 x\end{aligned}$$

• A) \(\{ ( - 2,8 ) \}\)
• B) \(\{ ( - 2 , - 8 ) \}\)
• C) \(\{ ( 2,8 ) \}\)
• D) \(\{ ( 2 , - 8 ) \}\)

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