3 years ago

Solve the following inequality algebraically.∣x+7∣≤4

Mathematics

1 answer:

Mariulka [41]3 years ago

8 0

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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