Question

Use matrices to solve ths system. Picture Below:

Answer 1

@e.mccormick

Answer 2

OK, did you put it into a matrix and give it a shot? Looks like you can use any method you want.

Answer 3

I got x=-1 y=2 but I need the steps because I have to "show work"

Answer 4

OK, well, put it onto a matrix. Then, what way do you want to solve it?

Answer 5

the easiest way

Answer 6

the easiest way

Answer 7

Well, you know how to do row reduction?

Answer 8

\[\left[\begin{array}{cc|c}
2 & 3 & 4 \\
5 & 8 & 11
\end{array}\right]\]\(-\frac{5}{2}R_1+R_2\rightarrow R_2\)
\[\left[\begin{array}{cc|c}
2 & 3 & 4 \\
0 & \frac{1}{2} & 1
\end{array}\right]\]
From there it is not hard. Do you see the process I used?