Solve the System by Graphing $\left\{\begin{array}{l}3 x+y=-7 \\2 x+y=-6\end{array}\right.$ A) No Solution;

Multiple Choice

Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to
express the solution set.
- $\left\{\begin{array}{l}3 x+y=-7 \\2 x+y=-6\end{array}\right.$

A) no solution; $\varnothing$
B) $\{ ( - 1 , - 4 ) \}$
C) $\{ ( 1,4 ) \}$
D) $\{ ( - 4 , - 1 ) \}$