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28-09-2021
Mathematics

contestada

Solve the following inequality algebraically.

∣x+7∣≤4

Respuesta :

jimrgrant1 jimrgrant1

28-09-2021

Answer:

- 11 ≤ x ≤ - 3

Step-by-step explanation:

Inequalities of the type | x | ≤ a , have a solution of the form

- a ≤ x ≤ a

Then

| x + 7 | ≤ 4

- 4 ≤ x + 7 ≤ 4 ( subtract 7 from each interval )

- 11 ≤ x ≤ - 3

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