Mathematics

Mathematics, 26.08.2019 19:20, 7obadiah

Which of the following expressions is equivalent to a + (-b)
a. (-b) + a
b. b + (-a)
c. (-a) + b
d. none of the above
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Mathematics, 21.06.2019 19:10, happy121906

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Mathematics, 12.07.2019 05:10, jaileen84

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Which of the following expressions is equivalent to a + (-b)
a. (-b) + a
b. b + (-a)

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