Question

N.

Answer 1

So\[\left[\begin{matrix}1 & 1 \\ 2 & 3\end{matrix}\right]\left(\begin{matrix}x \\ y\end{matrix}\right)=\left(\begin{matrix}4 \\ 9\end{matrix}\right)\]?

Answer 2

Yes.

Answer 3

@Aylin

Answer 4

How do you solve for this problem?

Answer 5

Would it make more sense if I rewrote it as\[x+y=4\]\[2x+3y=9\]?

Answer 6

So, x = 3.