x-2, -2+x and x+(-2) are all the sum of x and -2.
2-x is the sum of -x and 2.
All of the following expressions are equivalent except 2-x.
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x-2, -2+x and x+(-2) are all the sum of x and -2.
2-x is the sum of -x and 2.
All of the following expressions are equivalent except 2-x.
