LadyFox98 LadyFox98

08-05-2015
Mathematics

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

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

Respuesta :

09-05-2015

[tex]x-2=-2+x=x+(-2) \not= 2-x[/tex]

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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