Maybe you should plot a graph

Algebra Level 3

\[\large 4||x|-2| = x+4 \]

Which one of the following is not a solution to the equation above?

A) -2.4
B) 4
C)0.8
D) 1.2
E)-1.33333.......


This is a problem from the 2015 mathematics challenge held by Lincoln University.
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