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Question
Solve for x in the following in equation, if the replacement set is N<10:
x + 5 > 11
Solution
x + 5 > 11
x+5 >11
⇒ X >11-5
⇒ x > 6
But {x : x E N; N < 1 O}
Therefore, solution set x = {7 ,8, 9}
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