Equations

One-step equation (+ and -)

100

x + 5 = 21

x = 16

200

x - 9 = 11

x = 20

300

13 = t - 5

t = 18

400

-7 + x = 5

x = 12

500

- 1 + w = -6

w = -5

One-step equation (x and ÷)

100

2m = 4

m = 2

200

a ÷ 7 = 11

a = 77

300

x ÷ -3 = -6

x = 18

400

3w = -27

w = -9

500

-3x = -12

x = 4

Two-step equations

100

-y + 6 = 8

y = -2

200

3x - 5 = 20

x = 5

300

4 + 9x = 31

x = 3

400

7 - 3n = 4

n = 1

500

-2m - 6 = 26

m = -16

Two-step equations (with fractions)

100

(x ÷ 4) - 3 = 2

x = 20

200

5m ÷ 2 = 15

m = 6

300

8x ÷ 10 = 4

x = 5

400

(3 + x) ÷ 7 = 3

x = 18

500

16 + (x ÷ 9) = 20

x = 36

Quadratic equations

100

a² = 25

a = -5 and a = 5

200

a² = 64

a = -8 and a = 8

300

a² = -16

No solution

400

a² - 81 = 0

a = -9 and a = 9

500

3a² = 48

a = -4 and a= 4