Section 3.2 Addition and Subtraction Properties of Equality 147 Concept 2: Addition and Subtraction Properties of Equality For Exercises 23–28, fill in the blank with the appropriate number. 23. 13 1132 _______ 24. 6 _______ 0 25. _______ 172 0 26. 1 112 _______ 27. 0 3 _______ 28. 0 9 _______ For Exercises 29–40, solve the equation using the addition property of equality. (See Example 2.) 29. x 23 14 30. y 12 30 31. 4 k 12 32. 16 m 4 33. 18 n 3 34. 9 t 6 35. 9 7 t 36. 6 10 z 37. k 44 122 38. a 465 206 39. 13 21 w 40. 2 17 p For Exercises 41–46, fill in the blank with the appropriate number. 41. 52 _______ 0 42. 2 2 _______ 43. 18 18 _______ 44. _______ 15 0 45. _______ 100 0 46. 21 _______ 0 For Exercises 47–58, solve the equation using the subtraction property of equality. (See Example 3.) 47. x 34 6 48. y 12 4 49. 17 b 20 50. 5 c 14 51. 32 t 14 52. 23 k 11 53. 82 21 m 54. 16 88 n 55. z 145 90 56. c 80 15 57. 52 10 k 58. 43 12 p Mixed Exercises For Exercises 59–78, solve the equation using the appropriate property of equality. (See Example 4.) 59. 1 p 0 60. r 12 13 61. 34 t 40 62. 7 q 4 63. 11 w 23 64. 9 p 10 65. 16 x 21 66. 4 y 18 67. 5h 4h 4 3 68. 10x 9x 11 15 69. 9 4x 5x 3 1 70. 11 7x 8x 4 2 71. 31x 22 2x 5 72. 41x 12 3x 2 73. 31r 22 2r 2 6 74. 41k 22 3k 6 9 75. 9 122 4 t 76. 13 15 p 5 77. 2 21a 152 a 78. 1 61t 42 5t
miller_prealgebra_2e_ch1_3
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