hub.com/friendly/matlib/blob/HEAD/R/plotEqn.R" class="external-link"><code>R/plotEqn.R</code></a></small>
      <div class="d-none name"><code>plotEqn.Rd</code></div>
    </div>

    <div class="ref-description section level2">
    <p>Shows what matrices \(A, b\) look like as the system of linear equations, \(A x = b\) with two unknowns,
x1, x2, by plotting a line for each equation.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-