1. 8q + 6; q = 2
10
14
20
22
2. 9 + 4g; g = −3
–3
3
21
13
3. 7x – 7; x = 4
0
21
35
28
4. 10 – 3.2n; n = 2
6.8
3.6
13.2
16.4
5. 12p + 4; p = 1.5
14
16
18
22
for questions 6–10, solve the equation using number sense.
6. 5w + 10 = 40
6
10
30
50
7. 4y – 12 = 60
12
18
48
72
8. 10k + 5 = 65
6
7
60
70
9. 2b – 15 = 33
4
9
24
48
10. 3d + 18 = 21
–1
1
3
13