Evaluating Expressions

Adding

100

X+2

X=5

7

200

x+y

x=10

y=7

17

300

10+x+31

x=5

46

400

20+x+4+y

x=7

y=9

40

500

(10+x)+y

x=5

y=7

11

Subtraction

100

7-X

X=2

5

200

x-y

x=10

y=2

8

300

x-y-5

x=15

y=5

5

400

x-y-p

x=60 y=17

p=5  

38

500

x-y-p-z

x=100 y=10

p=5  z=2

83

Multiplication

100

9x

x=2

18

200

7b

b=3

21

300

(3x)*7

x=2

42

400

xy

x=10

y=5

50

500

(xy)*z

x=4

y=5

z=10

200

Division

100

18/x

x=2

9

200

x/10

x=200

20

300

y/x

y=4

x=2

2

400

y/x

y=30

x=2

15

500

(X/y)/Z

X=100

Y=10

Z=5

2

Bonus

100

3X+2

X=2

8

200

XY+1

X=6

Y=4

25

300

5a/2

a=4

10

400

(5+x)*x

X=4

36

500

(2x+z)+4y

x=7

z=4

y=2

26