Solving for x! (one-step equations)

Addition

100

x + 18 = 84

What is 66

200

28 + x = 43

What is 15

300

32 = 50 + x

What is -18

400

81 = x + 49

What is 32

500

x + 6 = 89

What is 83

Subtraction

100

x - 12 = 21

What is 33

200

x - 49 = 23

What is 72

300

-15 = x - 20

What is -5

400

x - 43 = -55

What is -12

500

200 = x - 62

What is 262

Multiplication

100

3x = 420

What is 140

200

12x = 120

What is 10

300

-112 = -14x

What is 8

400

256 = -16x

What is -16

500

25x = -350

What is -14

Division

100

x / 8 = 7

What is 56

200

x / 25 = 11

What is 275

300

x = 87 / -3

What is -29

400

-23 = x / -12

What is 276

500

x / -20 = -3

What is 60

Challenge

100

x + 8 = -12

What is -20

200

10 - x = -14

What is 24

300

5x = -130

What is -26

400

x / -4 = -12

What is 48

500

x + 6 = 2 * 6

What is x = 6