1 Answer

JeffG · Answer 1 · 2023-03-22T09:37:51+0000

Answer:

Choice C. -8/ 7

Step-by-step explanation:

We have to solve the system

$\begin{gathered} -9x+4y=8 \\ -3x-y=4 \end{gathered}$

Multiplying the equation at the bottom by -3 gives

Now adding the two equations gives

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