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Question
For the following inequation, represent the solution on a number line :
-2(x + 8) ≤ 8, x ∈ R
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Solution
-2(x + 8) ≤ 8, x ∈ R
- 2x - 16 ≤ 8
⇒ - 2x ≤ 8 + 16
⇒ - 2x ≤ 24
⇒ x ≥ `(-24)/2`
x ≥ -12
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