Solving for X! (one-step equations)

Addition

100

x + 8 = 24

x = 16

200

28 + x = 43

x = 15

300

32 = 5 + x

x = 27

400

81 = x + 49

x = 32

Subtraction

100

x - 12 = 1

x = 13

200

x - 49 = 23

x =72

300

31 = x - 24

x = 55

400

x - 43 = 55

x = 98

Multiplication

100

3x = 42

x = 14

200

12x = 48

x = 4

300

110 = 10x

x = 11

400

1,000 = 100x

x = 10

Division

100

x / 8 = 7

x = 56

200

x / 11 = 11

x = 121

300

5 = x / 9

 x = 45

400

20 = x / 10

x = 200

Challenge

100

x + 8 = -12

x = -20

200

10 - x = -14

x = 24

300

5x = -130

x = -26

400

x / -4 = -12

x = 48