Question

x : 2 < -5
x: (-3) > 7
x : (-6) <( sau egal) decat -3
URGENT 25 PUNCTE

Answer 1

x/2<-5=>x<-10=> x∈(-∞;-10)

x/(-3)>7 |*(-1)=> x/3<-7=>x<-21=>x∈(-∞;-21)

x/(-6)<=-3 |*(-1)=>x/6>=3=>x>=18=>x∈[18;+∞)

Answer 2

x/2 < 5
x < 2×(-5)
x < -10
x€(-infit, -11]

x/(-3) > 7
x < (-3)×7
x < -21
x€(-infinit, -22]

x/(-6) < (sau =) -3
x > (sau egal) (-3)×(-6)
x > (sau egal) 18
x€(18, infinit)

sper că te-am ajutat ;)