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Question
Find the solution set of the inequation x + 5 < 2 x + 3 ; x ∈ R Graph the solution set on the number line.
Solution
x + 5 ≤ 2x + 3
x – 2x ≤ 3 – 5
⇒ -x ≤ -2
⇒ x ≥ 2
∵ x ∈ R
∴ Solution set = {2, 3, 4, 5, ......}
Solution set on number line
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