Solving Multi-Step Equations

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Presentation transcript:

Solving Multi-Step Equations ALGEBRA 1 LESSON 2-3 pages 91–94 Exercises 1. 9 2. 8 3. 5 4. 3 5. 2 6. 7 7. 4 8. 3 9. –3 10. x + x = 1725; $1150 11. x + 9 + x = 25; 8 ft by 9 ft 12. 3 13. 8 14. –2 15. 16. 2 17. 4 18. 4 19. 6 20. 13 21. 11 22. 1 23. 46 24. 7 25. –26 26. 33 27. 28. 29. 3 30. 2 31. 21 32. 0.5 33. 3.5 34. 9 35. 4.27 36. 6 37. 5 38. 28 39. 2 40. 9 41. 5 42. 20 43. 1 44. 45. 5 46. 44 47. 9 3 5 4 7 2 3 3 14 1 3 6 7 4 5 2 5 1 12 3 5 1 2 1 2 2-3

Solving Multi-Step Equations ALGEBRA 1 LESSON 2-3 48. –0.48 49. –3 50. 3.08 51. The student forgot to multiply –1 by 8. 52. Answers may vary. sample: Combine –3m and 5m first to simplify the left side of the equation. 53. Answers may vary. Sample: multiply by –2 to eliminate fractions. 54. 5 55. 4 56. 7 h 57. 92 mi 58. 120 min 59. Answers may vary. Sample: 3x + 5 – 4x + 9 60. 64 61. 25 62. 20 63. about 15 gal 64. a. ; b. t c. t d. t + t = 1; 2 h 65. $100,000 66. 7 years 67. 105 cm, 95 cm 68. C 69. H 70. A 71. G 72. C 73. F 74. –5 75. 16 1 5 1 7 11 12 1 5 1 7 1 5 1 7 2 3 2-3

Solving Multi-Step Equations ALGEBRA 1 LESSON 2-3 76. –4 77. –19 78. 2 79. –4 80. 1 81. –7 82. 1400 83. 150 84. 0 85. 90 86. 80 87. 40 88. –4 89. 27 90. –11 91. –4 92. –10 93. –2 94. –30 95. 5 1 3 1 2 1 2 2-3