Question

Homework Help: All of the following expressions are equivalent except _____.

2 - x
x - 2
-2 + x
x + (-2)

Answer 1

`x-2=-2+x=x+(-2) \\ot= 2-x`

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.