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Addition
Subtraction
Multiplication
Division
100

x + 4 = 25

What is 21

100
x - 2 = 6
What is 8
100

2 x = 10

What is 5

100

y/6 = 2

What is 12

200

a + 13 = 25

What is 23

200

d - 7 = 9

What is 16

200

9x = 27

What is 3

200

x/4 = 8

What is 32

300

n + 8 = 14

What is 6

300

k - 83 = 121

What is 204

300

7x = 63

What is 9

300

x/6 = 6

What is 36

400

x + 36 = 100

What is 64

400

x - 45 = 97

What is 142

400

5e = 400

What is 80

400

11 = a/9

What is 99

500
-27 = c + 27
What is -56
500

a + 163 = -392

What is -555

500

11x = 275

What is 25

500

-14 = x/3

What is -42