Question

Запишите в виде неравенства с модулем неравенства : 1) х+8>10 и х+8<-10

Answer 1

$\left [ {{x+8>10} \atop {x+8<-10}} \right. \; \; \Rightarrow \; \; \; |x+8|>10\\\\\\\star \; \; \left [ {{x>10-8} \atop {x<-10-8}} \right. \; ,\; \left [ {{x>2} \atop {x<-18}} \right. \; \; \star$