ations.html#elementary-row-operations"><i class="fa fa-check"></i><b>6.3.2</b> Elementary Row Operations</a></li>
<li class="chapter" data-level="6.3.3" data-path="system-of-equations.html"><a href="system-of-equations.html#row-echelon-form"><i class="fa fa-check"></i><b>6.3.3</b> Row Echelon Form</a></li>
<li class="chapter" data-level="6.3.4" data-path="system-of-equations.html"><a href="system-of-equations.html#row-echelon-form-with-2-equations-and-2-unknowns"><i class="fa fa-check"></i><b>6.3.4</b> Row 