Chapter 4.5, Problem 206E

In the following exercises, perform the indicated operations on the augmented matrices.

206. $\left[\begin{array}{ccc}1& -3& -2\\ 2& 2& -1\\ 4& -2& -3\end{array}|\begin{array}{c}4\\ -3\\ -1\end{array}\right]$

(a) Interchange rows 2 and 3

(b) Multiply row 1 by 4

(c) Multiply row 2 by $-2$ and add to row 3.