Question
x + 7 = 12

Answer x = 5

Question
8 + y = 15

Answer y = 7

Question
11 = a + 4

Answer a = 7

Question
20 = 5 + b

Answer b = 15

Question
3 + x = 11

Answer x = 8

Question
17 = 10 + p

Answer p = 7

Question
g − 4 = 7

Answer g = 11

Question
10 − x = 3

Answer x = 7

Question
7 = 10 − f

Answer f = 3

Question
2 = x − 1

Answer x = 3

Question
x − 3 = 9

Answer x = 12

Question
17 − r = 10

Answer r = 7

Question
10 a = 30

Answer a = 3

Question
7 s = 14

Answer s = 2

Question
18 = 2 d

Answer d = 9

Question
16 = 4 f

Answer f = 4

Question
10 h = 70

Answer h = 7

Question
120 = 12/j

Answer j = 10

Question
x/4 = 10

Answer x = 40

Question
24/c = 6

Answer c = 4

Question
9 = 18 b

Answer b = 2

Question
7 = n/4

Answer n = 28

Question
10 = m/2

Answer m = 20

Question
y/6 = 8

Answer y = 48

Question
p + 14 = 16

Answer p = 2

Question
13 + q = 16

Answer q = 3

Question
54/t = 9

Answer t = 6

Question
6 = 18 − h

Answer h = 12

Question
3 = a − 20

Answer s = 23

Question
21 = v + 12

Answer v = 9

Question
5 x − 2 = 18

Answer x = 4

Question
5 x − 4 = 41

Answer x = 9

Question
3 x − 3 = 9

Answer x = 4

Question
10 x + 2 = 22

Answer x = 2

Question
8 x + 4 = 76

Answer x = 9

Question
4 = 2 x − 6

Answer x = 5

Question
34 = 7 + 9 x

Answer x = 3

Question
7 + 4 x = 19

Answer x = 3

Question
x/4 + 8 = 16

Answer x = 32

Question
x/2 − 4 = − 2

Answer x = 4

Question
x/4 + 6 = 12

Answer x = 24

Question
x/3 + 9 = 13

Answer x = 12

Question
8 − x/4 = 6

Answer x = 8

Question
x/3 + 9 = 16

Answer x = 21

Question
8 + x/7 = 15

Answer x = 49

Question
10 − x/4 = 4

Answer x = 24

Question
6 ( x − 5 ) = 24

Answer x = 9

Question
3 ( x + 5 ) = 51

Answer x = 12

Question
5 = x + 8/4

Answer x = 12

Question
9 ( x − 8 ) = 36

Answer x = 12