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Mathematics 9 Online
OpenStudy (anonymous):

-z-2.5<20.3-4 z

OpenStudy (anonymous):

-z+4z<20.3+2.5 3z<22.8 3z/3<22.8/3 z<7.6

OpenStudy (vishweshshrimali5):

\[-z-2.5<20.3-4z\] \[-z+4z<20.3+2.5\] \[3z<22.8\] \[z<22.8/3\] \[z<7.6\]

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