Solve Systems of Equations Using Matrices · Exercise 10

Perform the indicated operations on the augmented matrices.

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

OpenStax, Intermediate Algebra 2e · §4.5 Solve Systems of Equations Using Matrices · Exercise 10