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Question
Solve for x in the following in equation, if the replacement set is N<10:
3x - 5 < 7
Solution
3x - 5 < 7
3x-5 < 7
⇒ 3X <7 + 5
⇒ 3X < 12
⇒ x < 4
But {x : x E N; N < 1 O}
Therefore, solution set x = { 1,2,3,4}
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