Algebraic Equations

Addition

100

2 + f = 13

f = 11

200

p + 17 = 30

p = 13

300

b + 7 = 18

b = 11

400

19 + m = 18

m = -1

500

15 + h = 9 

h = -6

Subtraction

100

h - 8 = 15

h = 23

200

k - 14 = 27

k = 41

300

j - 8 = -1

j = 7

400

j - 16 = 800

j = 816

500

f - 7 = -10

f = -3

Multiplication

100

4f  = 160

f  = 40

200

6h = 36

h = 6

300

92k = 92

k = 1

400

8j = -80

j = -10

500

-5m = -65

m = 13

Division

100

g/6 = 9

g = 54

200

m/5 = 2

m = 10

300

g/3 = 50

g = 150

400

g/-3 = 5

g = -15

500

m/-7 = -6

m = 42

Surprise

100

j + 12 = 90

j = 78

200

7q = 84

q = 12

300

3p = 60

p = 20

400

-7h = 42

h = -6

500

-m = 6

m = -6