Weighing up the positives and the negatives

±(x1)±(x1)±(x1)±(x1)±(x1)" appears 2018 times=2018\underbrace{\pm (x-1) \pm (x-1) \cdots \pm (x-1) \pm (x-1)}_{“\pm (x-1)" \text{ appears 2018 times}} = 2018

On the left side of the equation, "±(x1)\pm (x-1)" repeats 2018 times.

How many integer solutions of xx are there?

Note: The "±\pm" symbols are independent of one another.

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