1. 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 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
34. 9
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

2. Solving Multi-Step Equations
ALGEBRA 1 LESSON 2-3
48. –0.48
49. –3
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 mi
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; h
65. $100,000
66. 7 years
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

3. Solving Multi-Step Equations
ALGEBRA 1 LESSON 2-3
76. –4
77. –19
78. 2
79. –4
80. 1
81. –7
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