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18 April, 09:06

M and n are both integers. Select all the statements that are true if m and n are also equal to each other.

m - n = n - m

0 = m - n

m + (-n) = m - n

m + n = 0

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  1. 18 April, 09:24
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    m - n = n - m (Both m and n are equal, so their difference will be 0. You can write either way)

    0 = m - n (As I said, their difference will be 0.)

    m + (-n) = m - n ( + and - product will be - )

    All three are true.
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