What value of x is in the solution set of the inequality 9(2x + 1) < 9x – 18?

Distribute 9 to get 18x + 9 < 9x − 18. Subtract 9x and 9 from both sides: 9x < −27, so x < −3. Of the choices, −4 is less than −3, so the value in the solution set is A) −4.

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