Question

-5x+3>18

Answer 1

\(-5x+3>18\)

\(\Leftrightarrow-5x>15\)

\(\Leftrightarrow x< -3\)

 

Answer 2

-5x+3>18

⇒ -5x >15

⇔ x < -3

 Vậy x < -3

 

Answer 3

Answer 4

Ta có: -5x+3>18

\(\Leftrightarrow-5x>15\)

\(\Leftrightarrow x< -3\)

Vậy: S={x|x<-3}