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]