1) Seven subtracted from twice a number gives 17. b)2(x - 7) = 17 c) 7 - 2x - 17 d) 7 (2-17 2) A number added to -19 is equal to -21. a) x-21 = -19 b) -19 + x = -21 c) x = -19 +21 d) -19-21 =* 3) Ten subtracted from a number yields 15. a) 10 + x = 15 b) 10- x= 15 c) x - 10 = 15 d) 15- 10 = 4) The quotient of 24 and a number is 4. a) x = 4 b) 24 - x=4 24 c) 24x = 4 d) 24 = 4 _ 5) 5+ 30 = x + 10 a) 25 b) -45 c)-25 d) 45 _ 6) = 4,- (-2) a) 12 b) -12 c) 36 d) -36 7)x-13-5-26 hi c) 44 d) -18