Автор - HAppY967

помогите плиз номер 1024 2 примера решить

Ответ

Автор - jekadva
3-2(u-1)>8+u
3-2u+2>8+u
-2u-u>8-3-2
-3u>3
u>3:(-3)
u<-1
=========
5(u+2)+14<6-u
5u+10+14<6-u
5u+u<6-10-14
6u<-18
u<-18:6
u<-3
====================
 frac{1}{4} (3+8u) geq 6,25+u \  frac{3}{4} +2u geq 6,25+u \ 2u-u geq 6,25-0,75 \ u geq 5,5

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