Answer:
Explanation:
Comment
Without doing a lot of math, the answer is
-x + 0 + x
It can be anything that gives 0. They are the same number but one of them is minus
-5 + 0 + 5 = 0
-1000 + 0 + 1000 =0
or the simplest one
-1 +0 + 1 =0
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