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Mathematics 16 Online
OpenStudy (anonymous):

-5u+4+8u=43

OpenStudy (aroub):

3u=43-4 3u=39 u=13

OpenStudy (anonymous):

3u+4=43 43-4=39 3u=39 39/3 13=u

OpenStudy (aroub):

hey naadirah! :D

OpenStudy (anonymous):

Hey aroub!! :D

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