Question 1 solve the equation. |x + 7| = 12 a. {-19, -5} b. {-19, 5} c. {-5, 19} d. {5, 19} question 2 |2 x + 4| = 8 a. x = -12 or x = 4 b. x = -6 or x = 2 c. x = 2 only d. x = 6 only question 3 3|3k| = 27 a. {-9, 9} b. {-3, 3} c. {-3, 9} d. -3 < k < 3 question 4 5|b + 8| = 30 a. {-2, 2} b. {-14, 14} c. {-14, -2} d. {-10, 2} question 5 which equations are equivalent to the open sentence |m + 9| = 5? a. m + 9 = 5 and m + 9 = -5 b. m - 9 = 5 or m - 9 = -5 c. m + 9 = 5 and m - 9 = -5 d. m - 9 = 5 or m + 9 = -5