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Mathematics 9 Online
OpenStudy (anonymous):

Simplify fifteen a minus nine minus nine a plus eleven plus three b.

OpenStudy (anonymous):

15a -9 -9a + 11 + 3b 6a +2 + 3b

OpenStudy (anonymous):

yeah but it would be the 3b before the 2

OpenStudy (anonymous):

With the addition property order doesn't matter.

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