|x| means the ABSOLUTE VALUE of 'x' so + x or - x the ABSOLUTE VALUE is 'x'
2|x|-8 = -4 add '8' to both side to get
2|x| = 4 Divide both sides by '2' to get
|x| = 2 SO the absolute value of 'x' is '2' so x can be either 2 or -2 Does this make sense to you??
~jc