Linear Algebra Examples

$[\begin{array}{c} 18 & 20 \end{array}]$

Step 1

Multiply each element of $R_{1}$ by $\frac{1}{18}$ to make the entry at $1, 1$ a $1$ .

$[\begin{array}{c} \frac{18}{18} & \frac{20}{18} \end{array}]$

Step 2

Simplify $R_{1}$ .

$[\begin{array}{c} 1 & \frac{10}{9} \end{array}]$