One Step Equations

Adding One-Step Equations

100

8 + r = 20

r = 12

200

2 + j = -43

j = -45

300

s + 7 = 9

s = 2

400

c + -3 = -18

c = -15

500

-9 + h = -45

h = -36

Subtracting One-Step equations

100

x - 4 = 13

x = 17

200

l - 5 = 23

l = 28

300

-45 - w = 15

w = 60

400

-15 - h = -1

h = -14

500

y - (-18) = 25

y = 7

Multiplying One-Step equations

100

9k = 54

k = 6

200

-6v = 36

v = -6

300

8z = 72

z = 9

400

-5h = 35

h = -7

500

3r = -45

r = -15

Dividing One-Step Equations

100

b/18 = 6

b = 108

200

u/5 = 20

u = 100

300

h/-6=8

h = -48

400

p/6 = 36

p = 216

500

n/48 = -8

n = -384

Fractions

100

− 3/4 b = 2

m=

-2 2/3 or -8/3

200

39/5 = 2m

d = 

3 9/10 or 39/10

300

n − 4/7 = 3

h = 

3 4/7 or 25/7

400

− 26/33 = 13/11x

-2/3

500

11/6 = 1/3 + p

p=

1 1/2 or 3/2