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Mathematics 19 Online
OpenStudy (anonymous):

remove parenthesis and simplify.(5a-9b)-2(a-4b)

OpenStudy (anonymous):

3a-b?

OpenStudy (ajprincess):

yup:)

OpenStudy (anonymous):

really??yes!!!!! thanks!!

OpenStudy (ajprincess):

yw:) great work:)

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