One-Step Equations

Addition Equations

100

a + 4 = 11

a = 7

200

6 = g + 8

g = -2

300

-14 + t = 26

t = 40

400

5/12 + p = 7/12

p = 1/6

500

-1/3 = -5/6 + u

u = 1/2

Subtraction Equations

100

x - 4 = 9 

x = 13

200

a - 3 = -2

a = 1

300

d - 3.03 = 2

d = 5.03

400

r - (-4) = -12

r = -16

500

c - 5.3 = -6.4

c = -1.1

Multiplication Equations

100

16b = 32

b = 2

200

42 = 14y

y = 3

300

-12k = -60

k = 5

400

-9a = 36

a = -4

500

-99 = 99c

c = -1

Division Equations

100

h/8 = 2

h = 16

200

a/3 = -7

a = -21

300

k/-11 = -3

k = 33

400

b/13 = 0

b = 0

500

-1 = x/-6

x = 6

Equations with Rational Coefficients

100

0.2b = -16

b = -80

200

0.9 = 0.4m

m = 2.25

300

3/7g = 9

g = 21

400

-28 = 4/5d

d = -35

500

3/8n = -1/4

n = -2/3