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Sum
Solve `1/5|10x - 2| < 1`
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Solution
Given `1/5|10x - 2| < 1`
|10x – 2| < 5
– 5 < (10x – 2) < 5
– 5 + 2 < 10x < 5 + 2
– 3 < 10x < 7
`- 3/10 < x < 7/10`
∴ The solution set is x ∈ `(- 3/10, 7/10)`
Concept: Absolute Value
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