Practice C 2-5

Name
LESSON
Date
Class
Practice C
2-5 Solving Equations Containing Integers
Solve. Check each answer.
1. h 15 17
2. a 29 12
3. 13 g 20
4. m 48 31
5. n 26 4
6. 0 z 50
7. 15y 75
8. 0 7d
9. 144 8v
14
10. 5
k
r
11. 4 250
t
11
12. 11
13. s + 25 18
14. 96 4j
15. x 49 57
Translate each sentence into an equation. Then solve the equation.
16. 8 less than a number n is –13.
17. A number f multiplied by –12 is –72.
18. The sum of –47 and a number d is 84.
19. The product of 8 and a number q is
–40.
20. Jake bought 50 shares of stock for $1,000 and sold them for a
loss of $375. What was the selling price of each share of stock?
21. Mrs. Lee bought 50 shares of Wiget stock. She paid a total of
$1,200, which included a $25 commission fee. Two years later
she sold all 50 shares for a total of $1,500. This included a $25
commission fee to the broker. What was the cost and selling
price per share of the stock?
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
39
Holt Mathematics
Practice B
2-5 Solving Equations Containing Integers
Practice A
2-5 Solving Equations Containing Integers
LESSON
LESSON
Solve. Check each answer.
Solve. Check each answer.
1. n 6 2
2. x 8 11
n4
x 3
4. y 4 2
5. c 7 3
y 2
7. 8j 16
c 10
13. p 8 6
d 35
f8
f 31
18. 4a 16
16. 63 9s
k 7
m
x6
e9
37
Holt Mathematics
n 27
h 2
a 17
m 17
n 30
d0
v 18
s 43
j 24
a
8
5
a
8 (5)
5 5
t
11
12. 11
r 1,000
14. 96 4j
t 121
x 8
p 9 3
p9
17. A number f multiplied by –12 is –72.
n 8 13; n 5
w 2 14
2.
9
w2
4. 4 s 10
5g
$12.50
5
21. Mrs. Lee bought 50 shares of Wiget stock. She paid a total of
$1,200, which included a $25 commission fee. Two years later
she sold all 50 shares for a total of $1,500. This included a $25
commission fee to the broker. What was the cost and selling
price per share of the stock?
35
5
g 7
9. 3e 33
e 11
cost: $23.50; selling price: $29.50
Holt Mathematics
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
93
2
14 5. 8 y 2
s6
5g 35
6.
2
w 12
m 13
20. Jake bought 50 shares of stock for $1,000 and sold them for a
loss of $375. What was the selling price of each share of stock?
Copyright © by Holt, Rinehart and Winston.
3 3. 6 m 7
8q 40; q 5
39
9
p6
12f 72; f 6
19. The product of 8 and a number q is
–40.
47 d 84; d 131
y 3
Solve. Check your answer.
1.
18. The sum of –47 and a number d is 84.
3y 9
3y
9
3
3
a 40
15. x 49 57
Translate each sentence into an equation. Then solve the equation.
16. 8 less than a number n is –13.
n 4 15
n 4 4 15 4
n 19
• You can use multiplication to solve an equation involving division.
Multiplication undoes division. Multiplying both sides of an equation by the
same number keeps the equation balanced. You can use division to solve an
equation involving multiplication. Division undoes multiplication. Dividing both
sides of the equation by the same number keeps the equation balanced.
9. 144 8v
r
11. 4 250
k 70
x 5 6
x 5 5 6 + 5
x 1
6. 0 z 50
z 50
8. 0 7d
y 5
• You can use addition to solve an equation involving subtraction. Addition
undoes subtraction. Adding the same number to both sides of the equation
keeps the equation balanced. You can use subtraction to solve an equation
involving addition. Subtraction undoes addition. Subtracting the same number
from both sides of the equation keeps the equation balanced.
3. 13 g 20
g 33
5. n 26 4
Holt Mathematics
LESSON
Solve. Check each answer.
2. a 29 12
38
Review for Mastery
2-5 Solving Equations Containing Integers
Practice C
2-5 Solving Equations Containing Integers
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
e 56
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
LESSON
13. s + 25 18
w 48
21. 6 21 n
$10
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
k
m 24
e
8
20. 7
23. LaSanda bought 20 shares of stock for $175. She sold the stock
for a total profit of $25. What was the selling price of each share
of stock?
$20
14
10. 5
w
44°F
4°F
7. 15y 75
g 2
18. 12 4
22. The temperature in Buffalo, New York, was 2°F one day. This
was 42 degrees warmer than the temperature in Nome, Alaska,
on the same day. What was the temperature in Nome?
23. Mr. Harding sold 100 shares of stock at $14 per share. He had a
loss of $6 per share. What did Mr. Harding pay for each share of
the stock?
4. m 48 31
v 25
x 16
22. The temperature in Minnesota was 8°F one day. This was
12 degrees less than the temperature in Indiana on the same
day. What was the temperature in Indiana?
1. h 15 17
15. g 19 21
17. 14 m 10
19. x 15 31
m6
s 81
14. 75 3v
s7
a 4
21. 3 2
20. 2 e 7
s
9
12. 9
c 80
13. f 15 16
b 3
n 24
19. 6x 36
u 25
c
11. 4 20
17. k 10 3
p 14
n
16. 6 4
9. 100 4u
b 12
d
15. f 9 1
w 4
8. 3b 36
10. 5 7
r 28
14. 15 5b
x 28
6. 0 w 4
h 4
s5
d 18
n 5
q 8
7. 9h 36
r
4
12. 7
3. 13 x 15
5. q 6 2
p 4
v 1
k 8
m 10
4. p 18 14
9. 20 4s
d
11. 6 3
2. n 9 14
y1
a 12
6. 0 v 1
8. 3k 24
j 2
m
5
10. 2
1. y 5 4
3. 7 a 5
7.
y 6
8y 96
8y
8
y 12
10. 49 7n
n 7
40
96
8
8.
54 6f
54
6
6f
6
f 9
11. 75 5c
c 15
Holt Mathematics
Holt Mathematics