title: Two inequalities displaying side by side, but nicely spaced in LaTeX
body: <p>In LaTeX, I have two ineqaulites e.g. a \leq b and c \leq d. I want to have a numbered line which has both of these inequalities on it:</p>
  
  <pre><code>a \leq b      c \leq d     (1)
  </code></pre>
  
  <p>Like this. What's the easiest way to get the spacing to behave itself? Which environment should I use?</p>