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100

5n + 5 = 45

n = 8 

100

6 = a/4 + 2

a = 16

100

w + 4.7 = 9.8

w = 5.1

100

The sum of a number y and twenty-five is thirty-two

(y + 25 = 32) or (25 + y = 32)

100

If you multiply me by 11 and add 1, you get 67. What number am I? 

6

200

-40 = 12x + 8

x = -4

200

-2 = 2 + v/4 

v= -16

200

v/2.5 - 1.5 = 0.5

v = 5

200

five less than a number x is twelve

x - 5 = 12

200

If you multiply me by 6 and subtract 7, you get 41. What number am I? 

8

300

-2p - 3 = -19

p = 8

300

-6 = n/2 -10

n = 8

300

14.3 = -0.7 + 3d

d = 5

300

The product of a number t and seven minus fourteen equals ten

7t - 14 = 10

300

If you add 1 to me and multiply me by 2, you get 24. What number am I? 

11

400

-30 = 7r + 5

r = -5

400

8 + b/-4 = 5

b = 12

400

-5.1 - z = 6.5

z = -11.6

400

The quotient of a number m and two increased by nine is fifteen. 

m/2 + 9 = 15

400

If you multiply me by 5 and subtract 6 from me, you get 14. What number am I? 

4

500

-5 - h = -19

h = 14

500

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

d = 6/7

500

-0.9 = 0.6 + m/10

m = -15

500

half of k increased by one is equivalent to seven

1/2k + 1 = 7

500

If you add 7 to three times of me, you get 34. What number am I?

9