How to move render to the left for space for text? Currently, I have this:



However, I need space!:!

As you can see above, I need space to write text on the right, while keeping the background gradient. 
I had a look here: How can I resize/move the &quot;canvas&quot; of an image in the compositor?
But it doesn't seem to work.

This is an example of my current compositing:

.blend file: http://www.filedropper.com/xtruder22_1

Many Thanks
You can use the Transform node, for example: