x + y = 18, x - y = 6
y = 18 - x
x - (18 - x) = 6
x - 18 + x = 6
2x - 18 = 6
2x = 24
x = 12
(12) + y = 18
y = 6
[8] and [10].
They are 10 and 8
Jeez that's easy 12 and 18
8 and 10
13 and 5
10 and 8
18 & 42
The numbers are 18 and 12
[8] and [10].
6 and 6
18 and 12
They are 10 and 8
the 2 numbers are pp and caca
Jeez that's easy 12 and 18
8 and 10
13 and 5
The numbers are 18 and -17 because 18-(-17) = 35 and 18+(-17) = 1