Respuesta :
Answer:
Solution: -10 < x < 10
Interval Notation: [ -10, 10 ]
Step-by-step explanation:
2|x| < 20
Divide both sides by 2.
[tex]\frac{2|x|}{2}[/tex] < [tex]\frac{20}{2}[/tex]
Simplify.
|x| < 10
Apply the absolute rule: |x| < a, a > 0 then - a < x < a
-10 < x < 10
I hope this helps.