If |2x - 1| = x + 2, what is the sum of all possible values of x?
We have two equations
2x - 1 = x + 2 - ( 2x - 1) = x + 2
x = 3 -2x + 1 = x + 2
-1 = 3x
x = -1/3
Sum = 3 - 1/3 = 9/3 - 1/3 = 8/3
