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uranmaximum [27]
3 years ago
9

All of the following expressions are equivalent except:

Mathematics
2 answers:
kkurt [141]3 years ago
7 0
A, sub in a random number as x in all equations and solve, eg- x= 3
2-3= -1
3-2=1
-2 +3= 1
3-2=1
alexandr402 [8]3 years ago
6 0

Answer:

  A.  2-x

Step-by-step explanation:

There are a number of ways you can look at this. You can look at the sign of 2, or you can look at the sign of x, or you can rewrite all of the expressions in standard form (decreasing powers of x). In standard form, we have ...

  A: -x +2

  B: x -2

  C: x -2

  D: x -2

Clearly, the different expression is choice A.

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