Solve Systems of Equations Using Matrices · Exercise 9

Perform the indicated operations on the augmented matrices.

$[\begin{array}{rlrl}6& & & -4\\ 3& & & -2\end{array}|\begin{array}{c}3\\ 1\end{array}]$
ⓐ Interchange rows 1 and 2
ⓑ Multiply row 2 by 3
ⓒ Multiply row 2 by $-2$ and add row 1 to it.

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Intermediate Algebra 2e · §4.5 Solve Systems of Equations Using Matrices · Exercise 9