Otakumetalhead666
Otakumetalhead666 Otakumetalhead666
  • 30-06-2021
  • Mathematics
contestada

Solve the compound inequality |3x-9|≤15 and |2x-3|≥5. Give answer in interval notation.

Respuesta :

surjithayer10otahza surjithayer10otahza
  • 30-06-2021

Answer:

Step-by-step explanation:

|3x-9|≤15

-15≤3x-9≤15

-15+9≤3x≤15+9

-6≤3x≤24

-2≤x≤8

x∈[-2,8]

|2x-3|≥5

2x-3≤-5

2x≤-2

x≤-1

and

2x-3≥5

2x≥8

x≥4

solution is x∈[-2,-1]∪[4,8]

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