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The simultaneous equations, y=x+2|x| & ...

The simultaneous equations, `y=x+2|x| & y=4+x-|x|` have the solution set given by: (a) `(4/3,4/3)` b) `(4,4/3)` (c) `(-4/3,4/3)` (d) `(4/3,4)`

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