Respuesta :

[tex]Solution, x-7<-12\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:x<-5\:\\ \:\mathrm{Interval\:Notation:}&\:\left(-\infty \:,\:-5\right)\end{bmatrix}[/tex]

Steps:

[tex]x-7<-12[/tex]

[tex]\mathrm{Add\:}7\mathrm{\:to\:both\:sides}, x-7+7<-12+7[/tex]

[tex]Simplify, x<-5[/tex]

The correct answer is x<-5

Hope this helps!!!