Suppose inequality |2x-1|$\leq$x+1,
should the two cases to consider be
x$\leq$1/2 and x$\geq$1/2 or x$\geq$1/2 and x<1/2?
Suppose inequality |2x-1|$\leq$x+1,
should the two cases to consider be
x$\leq$1/2 and x$\geq$1/2 or x$\geq$1/2 and x<1/2?
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