Easing menu

I used the easing tutorial to make a menu, when you click on a button, a bar behind it eases to the button location, but for some reason i can’t get the start of the bar to be aligned correctly, it’s only about half of where it should be…but no matter what i change the _x of the easing bar to, it still starts in the same location, i’m confused :h:
here is the FLA