Respuesta :

gmany

[tex]12<3b\qquad\text{divide both sides by 3}\\\\4<b\to \boxed{b>4}\\\\\\2b+14<4\qquad\text{subtract 14 from both sides}\\\\2b<-10\qquad\text{divide both sides by 2}\\\\\boxed{b<-5}\\\\\boxed{b<-5\ or\ b>4}[/tex]

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