Question

Augmented Matrices.

Answer 1

Idk how to post the equation. They don't have the right brackets.

Answer 2

screenshot?

Answer 3

\[\left[\begin{matrix}x & b \\ y & c\end{matrix}\right] these?\]

Answer 4

At the bottom of the equation editor, there is a matrix button

Answer 5

I'll just screen shot it.

Answer 6

RBauer. are you still here? o.o

Answer 7

Yes, i'm here. I am having trouble with the equation thing. I apologize for the wait.

Answer 8

Let's just do it like this,

1 1 | 5
3 -1| -1

R1=>-3*R1
-3 -3| -15
3 -1 | -1

R2=>R1+R2
-3 -3| -15
0 -4 | -16

R2=>(-1/4)R2
-3 -3| -15
0 1 | 4

R1=>R1+3R2
-3 0 | -3
0 1 | 4

R1=>(-1/3)R1
1 0 | 1
0 1 | 4