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Ex 3:

x< 6 Note I did not switch the order of the inequality here since I divided by a positive number. Multiplying or dividing by a positive number does not change the order of the inequality.

So x has to be less than or equal to 6. So 5 should work well and so should 6.
This is true since 17=17 so it looks like 6 is the correct cut off.
5 should work too.
This is also true so it looks like my answer is correct so the answer is {x|x < 6} which again is read "The set of all values for x such that x is less than or equal to 6.”

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