Solving One-Step Equations

Addition

100

x + 4 = 25

x = 21

200

x + 13 = 10

x = -3

300

x + (-8) = -14

x = -6

400

x + 36 = -100

x = -136

500

x + 27 = -27

x = -56

Subtraction

100

x - 2 = 6

x = 8

200

x - 7 = -9

x = -2

300

x + (-83) =120

x = 203

400

x - 327 = -665

x = -338

500

x + 163 = -392

x = -555

Multiplication

100

9x = -27

x = -3

200

-7x = -63

x = 9

300

-5x = -400

x = 80

400

-11x = 275

x = -25

500

-21x = -756

x = 36

Decimals

100

x + 3.1 = -3.1

x = -6.2

200

x + (-16.4) = 20.0

x = 36.4

300

7x = -49

x = -7

400

-6x = -54

x = 9

500

12x = -144

x = -12