Which of the following statements is not always true?
a + (-b ) = -b + a
(a + b) + (-c...
Mathematics, 02.06.2021 20:10 jude3412
Which of the following statements is not always true?
a + (-b ) = -b + a
(a + b) + (-c) = a + [b + (-c)]
-(-a) = a
a - (-b) = (-b) -a
Answers: 1
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