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Question
Find the largest value of x for which 2(x – 1) ≤ 9 – x and x ∈ W.
Solution
2(x – 1) ≤ 9 – x
2x – 2 ≤ 9 – x
2x + x ≤ 9 + 2
3x ≤ 11
`x ≤ 11/3`
x ≤ 3.66
Since, x ∈ W, thus the required largest value of x is 3.
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