Solve the System by Substitution $$\begin{array} { r } x + 8 y = 23 \\2 x + 8 y = 30\end{array}$$

question 466

Multiple Choice

Solve the system by substitution.
- $$\begin{array} { r } x + 8 y = 23 \\2 x + 8 y = 30\end{array}$$

• A) \(\varnothing\)
• B) \(\{ ( - 7,1 ) \}\)
• C) \(\{ ( 7,2 ) \}\)
• D) \(\{ ( 8,7 ) \}\)

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