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Addition Equations
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Rational Numbers
Rational Numbers pt. 2
100

10 = r + 7

r = 3

100

b - 9 = -5

b = 4

100

2p = 14

p = 7

100

t/6 = 5

t = 30

100

8.3 = b + 6.9 

b = 1.4 

100

2.47 = 1.3w

w = 1.9

200

t + -15 = 47

t = 62

200

q - (-16) = 36

q = 20

200

-3b = 12

b = -4

200

p/10 = 6

p = 60

200

16 = 3.86 + h 

h = 12.14

200

f/ 0.7 = 3.6

f = 2.52

300

h + 120 = -10

h = -130

300

98 = w - (-14)

w = 84

300

12b = 72

b = 6

300

27 = h/-12

h = -324

300

y - 5/16 = 3/16

y = 8/16

300

t/-2.4 = 3

t = -7.2

400

t + (-184) = -177

t = 7


400

w - (-120) = 199

w = 79

400

29t = -145

t = -5

400

17 = z/28

z = 476

400

2/9 = b- 2/3

b = 8/9

400

2.5k = 50

k = 20

500

t + 875 = -845

t = -1,720

500

q - (-379) = -788

q = -1167


500

21h = 945

h = 45

500

g/-14 = -19

 g = 266

500

17/18 = 3/9 + z

z = 11/18

500

b/-2.5 = -4.2

b = 10.5