Solve the System by the Substitution Method $$\left\{ \begin{array} { r } x + 7 y = - 2 \\3 x + y = 34\end{array} \right.$$

question 38

Multiple Choice

Solve the system by the substitution method.
- $$\left\{ \begin{array} { r } x + 7 y = - 2 \\3 x + y = 34\end{array} \right.$$

• A) \(\varnothing\)
• B) \(\{ ( x , y ) \mid x + 7 y = - 2 \}\)
• C) \(\{ ( 12 , - 2 ) \}\)
• D) \(\{ ( - 2,3 ) \}\)

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Definitions:

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