One Step Equations Review

Add

100

6 + k = 15

k = 9 

200

-10 = x + 4 

x = -14

300

-19 + n = - 8 

n = 11

400

12 = r + 46

r = -34

500

y + 120 = -78 

y = -198

Subtract

100

y - 8 = 16

y = 24

200

a - 10 = -7

a = 3

300

w - 15 = -28

w = -13

400

x - (-7) = 25

x = 18

500

100 = b - (-10) 

b = 90

Multiply

100

4x = 36

x = 9

200

-5x = 40

x = - 8

300

-56 = 8y

y = -7

400

-12k = -144

k = 12

500

-156 = 3m

m = -52

Divide

100

d/5 = 6

d = 30

200

-5 = y/-7

y = 35

300

y/8 = -4

y = -32

400

32 = y/-9

y = -288

500

- x/11 = -11

x = 121

Decimals

100

n + 7 = 8.6

n = 1.6

200

c - 5.3 = 6.4 

c = 11.7 

300

0.7n = 2.8

n = 4

400

h/3.5 = 2.75

h = 9.625

500

3.84 = 0.15k

k = 25.6

Fractions

100

n + 3/4 = 5/4

n = 2/4 or n = 1/2 

200

x - 2/3 = 1/6

x = 5/6

300

y/4 = 5/6

y = 10/3 or y = 3 1/3

400

4/5 r = 9/10

r = 9/8 or r = 1 1/8

500

3/8 a = 2 3/4

a = 22/3 or a =7 1/3