Evaluating Expressions

x=5

50

5x

25

100

19x + 7

102

200

x + 3x

20

300

x² + 17

42

400

5x + 6x + 12 - 2

65

y=12

50

y + 16

28

100

2y - 9

15

200

8y + 7y

180

300

2y - 3y + 7

-5

400

-y + 20y + y

240

b=7

50

b + 23

30

100

7b + 12

61

200

18 - 2b

4

300

2b - 20 - b

-13

400

b² + 13 - 12

50

k=-2

50

6k

-12

100

-12k

24

200

k + 24

22

300

k² + 13k

-22

400

8k + 12k + 3

-37

u=10

50

-10u

-100

100

3u - 5u

-20

200

u + 16 - 12

14

300

7(u + 8)

126

400

uu + 13u

230