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Mathematics 7 Online
OpenStudy (anonymous):

-23=-2a-10+a

OpenStudy (mimi_x3):

-23 = -a - 10 -a = -13 a= 13

OpenStudy (katrinakaif):

-23 = -2a - 10 + a -23 = -1a - 10 -23 + 10 = -1a -13 = -1a a = 13

OpenStudy (anonymous):

tnx

OpenStudy (mimi_x3):

yw (:

OpenStudy (katrinakaif):

anytime =)

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