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Mathematics 13 Online
OpenStudy (anonymous):

-a-3+7=3a

OpenStudy (anonymous):

help!!!!!!!!!!!!!

OpenStudy (anonymous):

do you need to find a?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

-a-3+7=3a -a+4=3a 4=3a+a 4=4a a=1

OpenStudy (anonymous):

thanks

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