How do I solve this?
Just like any other equations with one variable:
X + X/2 -4 = X/4
Move variables to one side, and constants to other.
X + X/2 - X/4 = 4
Multiply both sides by 4
4X + 2X - x = 16
5X = 16
X = 16/ 5 = 3 1/5 = 3.2