Solve the System by the Substitution Method $$\left\{ \begin{array} { l } 2 x + y = 10 \\2 x + y = 18\end{array} \right.$$

question 62

Multiple Choice

Solve the system by the substitution method.
- $$\left\{ \begin{array} { l } 2 x + y = 10 \\2 x + y = 18\end{array} \right.$$

• A) \(\{ ( 2,8 ) \}\)
• B) \(\{ ( x , y ) \mid 2 x + y = 10 \}\)
• C) \(\{ ( 4,6 ) \}\)
• D) \(\varnothing\)

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