Find x

Addition (Find x)

100

14 + x = 35

x = 21

200

23 + 5 + x = 38

x = 10

300

5 + 9 + 17 + x = 50

x = 19

400

121 + x + 11 = 232

x = 100

500

x + 98 + 112 = 350

x = 140

Subtraction (Find x)

100

x - 6 = 20

x = 26

200

20 - x = 8

x = 12

300

x - 43 = 56

x = 99

400

145 - x = 50

x = 95

500

100 - x - 45 = 0

x = 55

Multiplication (Find x)

100

3*x = 15

x = 5

200

x * 10 = 200

x = 20

300

x * 90 = 270

x = 3

400

2 * x * 2 = 0

x = 0

500

5 * x * 2 = 100

x = 10

Division (Find x)

100

x / 2 = 10

x = 20

200

33/x = 3 

x = 11

300

x / 12 = 10

x = 120

400

40 / x = 8

x = 5

500

x / 30 = 10

x = 300

More than One

100

2x + 1 = 5

x = 2

200

2x - 5 = 3

x = 4

300

x / 2 - 1 = 5

x = 12

400

10x + 10 = 100

x = 9

500

40/x + 2 = 22

x = 2