Addition
10x + 3 x = 9
93
10x - 20 x = 8
60
12x - 15 x = 5
45
12x + 13 x = 5
73
12x - 15 x = 3
21
7x + 25 x = 6
67
20 + 8x x = 9
92
45 - 11x x = 2
23
50 + 2x x = 3
56
15 + 15x x = 2
45
30 - 9x x = 2
12
35 - 11x x = 2
13
11 + 9x x = 3
38
25 - 7x x = 3
4
10x + 35 x = 9
125