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Let [x] = the greatest integer le x, and...

Let [x] = the greatest integer `le x`, and `{x}= x-[x]` (x)=2[x]-{x}, `x lt 0` [x]+3{x} `x ge 0` then solve the equation `(x)=x+{x}`.

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A DAS GUPTA-Equations, Inequation and Expressions-Exercise
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