20 and 64
4
681 X 13
8853
60 and 36
12
2-5
-3
91 and 26
13
4x + 2z + 6(4x+7z)
28x+44z+24
120 and 45
15
2+1X1-1+1
3
42 and 105
21
name 1 lady gaga song