Solve Systems of Equations Using Matrices · Try It 5

Perform the indicated operations sequentially on the augmented matrix:
ⓐ Interchange rows 1 and 3.
ⓑ Multiply row 3 by 3.
ⓒ Multiply row 3 by 2 and add to row 2.
$[\begin{array}{ccccccccc}5& & & -2& & & -2& & \\ 4& & & -1& & & -4& & \\ -2& & & 3& & & 0& & \end{array}|\begin{array}{ccc}& & -2\\ & & 4\\ & & -1\end{array}]$

OpenStax, Intermediate Algebra 2e · §4.5 Solve Systems of Equations Using Matrices · Try It 5