8
4/5x - 3 3/4x = 2 1/2
4/5x - 15/4x = 5/2
16/20x - 75/20x = 5/2
-59/20x = 5/2
x = (5/2) / (-59/20)
x = 5/2 * 20/-59
x = 100/-118
x = -50/59
Added 6/13/2014 8:04:15 PM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [6/13/2014 8:20:30 PM]