Solve Systems of Equations Using Matrices · Exercise 14

Perform the indicated operations on the augmented matrices.

Perform the needed row operations that will get the first entry in both row 2 and row 3 to be zero in the augmented matrix: $[\begin{array}{rlrlrlr}1& & & -2& & & 3\\ 3& & & -1& & & -2\\ 2& & & -3& & & -4\end{array}|\begin{array}{c}-4\\ 5\\ -1\end{array}].$

OpenStax, Intermediate Algebra 2e · §4.5 Solve Systems of Equations Using Matrices · Exercise 14