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Question
If the replacement set is the set of whole numbers, solve:
18 ≤ 3x – 2
Solution
18 ≤ 3x – 2
18 + 2 ≤ 3x
20 ≤ 3x
`x ≥ 20/3`
Since, the replacement set = W ...(Set of whole numbers)
∴ Solution set = {7, 8, 9, …}
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