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Question
If the replacement set = {- 6,. - 3, 0, 3, 6, 9}; find the truth set of the following : 2x - 1 > 9
Sum
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Solution
2x – 1 > 9
⇒ 2x – 1 + 1 > 9 + 1 (Adding 1)
⇒ 2x > 10
⇒ x > 5 (Dividing by 2)
⇒ x > 5
Required answer = {6, 9}
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