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OpenStudy (anonymous):
-7z - 7 < -5z + 5
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OpenStudy (anonymous):
-12 <2z -6 <z
OpenStudy (aravindg):
ia z a complex number?
OpenStudy (amorfide):
move all constants to one side -7z-7+7<-5z+5+7 -7z<-5z+12 now move the Z's onto one side -7z+5z<-5z+5z+12 -2z<12 divide by -2 note: when dividing by a negative number, you will flip the sign of the inequality, so it changes from less than to greater than -2z/-2>12/-2 z>-6
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