Solving One-Step Equations

Addition

100

x + 4 = 25

What is 21

200

a + 13 = 10

What is -3

300

n + 9 = 14

What is 5

400

x + 36 = -100

What is -136

500

 c + 27 = 27

What is 0

Subtraction

100

x - 2 = 6

What is 8

200

d - 7 = -9

What is -2

300

k - 83 =121

What is 204

400

x - 327 = -665

What is -338

500

a -163 = 392

What is 555

Multiplication

100

9x = -27

What is -3

200

7x = 63

What is 9

300

5e = 400

What is 80

400

11x = 275

What is 25

500

21y = 756

What is 36

Division

100

y/6 = 2

What is 12

200

x/4 = -14

What is -56

300

x/6 = -6

What is -36

400

28 = a/13

What is 364

500

80 = x/15

What is 1200

Equation Rules

100

The definition of inverse. 

What is opposite?

200

The four types of operations. 

What is addition, subtraction, multiplication, and division?

300

The inverse of addition. 

What is subtraction?

400

The inverse of multiplication. 

What is division?

500

The inverse of division. 

What is multiplication?