Question
Find $C$ and $D$ such that the solution set to the system is $((1,3)\}.$$$\begin{aligned}C x+2 y &=11 \\-3 x+D y &=9\end{aligned}$$
Step 1
We get: \[C \cdot 1 + 2 \cdot 3 = 11\] Simplify this to get: \[C + 6 = 11\] Solving for $C$ gives us $C = 11 - 6 = 5$. Show more…
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