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Solve the System of Linear Equations Using Matrices $\left\{ \begin{array} { l } 7 x + y = 22 \\7 x + y = 43\end{array} \right.$

Question 23

Multiple Choice

Solve the system of linear equations using matrices.
- $\left\{ \begin{array} { l } 7 x + y = 22 \\7 x + y = 43\end{array} \right.$

A) $( 14,8 )$
B) $( 12,15 )$
C) $\{ ( x , y ) \mid 7 x + y = 22 \}$
D) $\varnothing$

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