Question

Rezollvati in R sistemul de inecuatii
{3(x-4)<-3 <=>
5-2x>1
vărog urgent ​

Answer 1

$\it \left \{ {{3(x-40)<-3} \atop {5-2x>1}} \right.$

$\it 3(x-40)<-3 <=>x-40<-1<=>x<-1=40 <=>x<39$

$\it 5-2x>1<=>-2x>1-5<=>-2x>-4<=>x<2$

$\it \left \{ {{x<39} \atop {x<2}} \right. \Rightarrow x \in (\it -infinit,2)$

$\it x<2$