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5 October, 21:27

Solve.

(-k) + k =

A. k

B. 2k

C. - 2k

D. 0

And

Solve.

15 + (-15) =

A. 15

B. 30

C. - 15

D. 0

+4
Answers (1)
  1. 5 October, 21:31
    0
    (-k) + k=0

    15 + (-15) = 0

    The first and second answer is 0.
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