Answer:
In the attachment.
Step-by-step explanation:
[tex]-2<2x+6<20\qquad\text{subtract 6 from all sides}\\\\-2-6<2x+6-6<20-6\\\\-8<2x<14\qquad\text{divide both sides by 2}\\\\\dfrac{-8}{2}<\dfrac{2x}{2}<\dfrac{14}{2}\\\\-4< x<7[/tex]
≤, ≥ - solid circle
<, > - open circle
≤, < - draw a line to the left
≥, > - draw a line to the right
