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14-01-2016
Mathematics

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Use an addition property to solve for
a. 10+(–15) = –15+a
a. –25
b. –10
c. –5
d. 10

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14-01-2016

[tex]10 + (-15) = -15 + a \\ \\ 10 + -15 = -15 + a \\ \\ 10 a \\ \\ a = 10 \\ \\ Answer: \fbox {D) a = 10}[/tex]

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