Absolutely Tableau can plot multiple measures on the same axis. You can have multiple lines, shapes, bars or any mark type using multiple measures. You can even use different marks for different measures (to overlay a line chart over a bar chart, for example).
How you get Tableau to do it will depend on
1. Your data
2. How you want to visualize your data (and this may change as you explore the data through Tableau).
If you want to post some sample data in Excel format, then I'm sure you'll get some ideas here in the forums.
By the way, are you currently using Tableau?