The expression

A: 2 (x+x) - 2

B: x+2 (x+2)

C: 2x - (x+1)

D: 2x-x+4

gives the same value as (3x - 2x) + 2 (2x - x) + 4 for both x = 1 and x = 3. So, the two expressions are equivalent or not exquivalent

A: equivalent

B: not equivalent

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