Add a Vertex (<kbd>Ctrl</kbd>-left click), and set the vertex location to origin: <kbd>Shift</kbd><kbd>S</kbd> <kbd>t</kbd> (Selection to Cursor)

Press <kbd>g</kbd> to enter grab mode. Enter movement in x direction with <kbd>0</kbd>-<kbd>9</kbd> decimal point . and negativ -, <kbd>Tab</kbd> enter y value (like the x value), <kbd>Tab</kbd> enter z value (like the x value).

Alternatively, you can limit the transform on a axis by pressing <kbd>x</kbd>, <kbd>y</kbd> or <kbd>z</kbd> in grab mode. Or <kbd>Shift</kbd> and <kbd>x</kbd>, <kbd>y</kbd>, <kbd>z</kbd> to limit on the other axis .