Is this correct
<img src="http://latex.codecogs.com/gif.latex?9x-7i > 3(3x-7u)" title="9x-7i > 3(3x-7u)" />
<img src="http://latex.codecogs.com/gif.latex?9x-7i>9x-21u" title="9x-7i>9x-21u" />
<img src="http://latex.codecogs.com/gif.latex?-7i>-21u" title="-7i>-21u" />
<img src="http://latex.codecogs.com/gif.latex?i <3 u" title="i <3 u" />
<img src="http://latex.codecogs.com/gif.latex?9x-7i > 3(3x-7u)" title="9x-7i > 3(3x-7u)" />
<img src="http://latex.codecogs.com/gif.latex?9x-7i>9x-21u" title="9x-7i>9x-21u" />
<img src="http://latex.codecogs.com/gif.latex?-7i>-21u" title="-7i>-21u" />
<img src="http://latex.codecogs.com/gif.latex?i <3 u" title="i <3 u" />