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29 June, 05:56

18. When y = x?, which of the following expressions is

equivalent to - y?

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Answers (1)
  1. 29 June, 06:26
    0
    -y=-x

    The problem:

    y=x then - y=?

    Step-by-step explanation:

    If y=x, then - y=-x.

    Just like if u=9, then - u=-9.

    Or, if - m=8, then m=-8.
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