x + 10 = 15
5
10 + 49
59
36 - 23
13
x + 67 = 100
33
75 + 45
120
x + 39 = 46
7
67 + 95
162
578 + x = 1950
1372
465 + 456
921
5539 + x = 100000
94471
4765 + 53698
61353