Addition
8 + a = 17
9
7 - y = 5
2
8 + a = 84
76
2 + a + 2 + a + 2 + a = 15
3
75 + a = 100
25
45 - a = 23
22
99 - a = 52
47
17 + b + 13 + b + 20 = 130
40
21 + b = 56
35
53 - b = 18
35
72 + b = 89
17
7 + a + a + a + a + 56 + 7 = 82
3
222 + a = 456
234
118 - a = 72
46
797 + y = 1000
203
18 + 42 + a + 10 + a + 7 = 167
45
2123 + d = 6543
4420
9087 - b = 856
8231
7676 - a = 6767
909
35 + b + 65 + b + 95 + b + 35 + b + 65 + b + 95 = 435
9