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Mathematics 8 Online
OpenStudy (anonymous):

|7m-21|=-m+27 Help me solve this -_-!

OpenStudy (anonymous):

m=6,-1

OpenStudy (anonymous):

how can i open the brackets?

OpenStudy (anonymous):

its a mod not brackets take a case in which m>3 and another one as m<=3

OpenStudy (anonymous):

ohhh thaanx aot :D that was really helpfull

OpenStudy (anonymous):

but why exacty number 3??

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