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Mathematics 7 Online
OpenStudy (anonymous):

-18<3x-7<-2

OpenStudy (anonymous):

add 7, divide by 3

OpenStudy (anonymous):

-18<3x-7<-2 -18+7<3x<-2+7 -11<3x<5 -11/3<x<5/3

OpenStudy (anonymous):

\[-18\le 3x-7\le-2\]

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