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100

9c + 1 = 10

c = 1

100

4p - 3 = 17

p = 5

100

24 = -32 -8x

x = -7

100

-m - 7/8 = -10

m = 73/8 or 9 1/8

100

c - 11/ 1/7 = -1

c = 76/7 or 10 6/7

200

6y - 5 = 7

y = 2

200

13 + 7x = 27

x = 2

200

42 + 5t = 8t 

t = 14

200

2/7 = 4/5 + 9q

q = -2/35

200

4/3 = 2/3( t + 7/3)

t = -1/3

300

3 + n = 7

n = 4

300

1 + 2r = 35

r = 17

300

n-31/4 = 2

n = 39

300

7 = a - 9.2/3

a = 30.2

300

10 = -3/5( w - 1/3)

w = -49/3 or -16 1/3

400

b + 4 = 12

b = 8

400

8 = 3a - 4

a = 4

400

m/5 + 9 = 11

m = 10

400

14.2 = 2(-5.8 + t) 

t = 12.9

400

v/2.2 - 0.1 = 7.4

v = 16.5

500

8 = r + 4

r = 4

500

17 - q = 6

q = 11

500

7/6d + 4/3 = -1/3

d = -10/7 or -1 3/7

500

-2 1/7n - 6/7 = -1 3/7

n = 4/15

500

-10.6 = m + 11.7/ 0.5

m = -17