Respuesta :

Step-by-step explanation:

x - 7 < -20

x < -20 + 7

x < -13

X = (-12, -11, -10,...)

  • Inequalify

[tex] \sf \longmapsto{x}−7<−20[/tex]

Let's start.

  • Add [tex]\text7[/tex]to both sides

[tex] \sf \longmapsto \: x−7+7<−20+7[/tex]

  • Answer

[tex] \sf \longmapsto \: x<−13[/tex]