ft">addition</td>
<td align="left"><code>x += y</code></td>
<td align="left"><code>x = x + y</code></td>
</tr>
<tr class="even">
<td align="left">subtraction</td>
<td align="left"><code>x -= y</code></td>
<td align="left"><code>x = x - y</code></td>
</tr>
<tr class="odd">
<td align="left">multiplication</td>
<td align="left"><code>x *= y</code></td>
<td align="left"><code>x = x * y</code></td>
</tr>
<tr class="even">
<td align="left">division</td>
<td align="left"><code>x /= y</code></td>
<td align="left"><