+128475 l 2x - 8 l + 3 = 5 subtract 3 from both sides
l 2x - 8 l = 2
This actually says that we have these two equations
(2x - 8) = 2 or - (2x - 8) = 2
So...answer "K"
To see the reason for this suppose we have l a l = 9....note that two values of "a" make this true...either a = 9 or a = -9
