Ceilings, floors

Algebra Level 2

2019 = x + x + { x } 2019 = \left \lceil x \right \rceil + \left \lfloor x \right \rfloor + \left \{ x \right \}

What is x x ?

If you think there is no answer, enter 0 0 .


The answer is 0.

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1 solution

Geoff Pilling
Jan 2, 2019

Since the ceiling and floor of x x must be integers, { x } = 0 \left \{ x \right \} = 0 , so x x is an integer.

For an integer, x + x = 2 x \left \lceil x \right \rceil + \left \lfloor x \right \rfloor = 2x .

But 2019 is odd, so no solution exists.

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