This is a para.
$$ \text{LaTeX} \lambda_5 $$

$$\lambda_5 = \alpha + 4$$

$$\lambda_\alpha > 5$$
This is a para.

$$\begin{align*}
&=5 \\
&=6 \\
\end{align*}$$

$$5+5$$ 

 $$5+5$$	

  $$5+5$$

   $$5+5$$

    $$5+5$$

{:.cls}
$$5+5$$
^
$$5+5$$
{:.cls}

$$|x| = 5$$