Step-by-step explanation & answer:
Let
x = "one number", then
4x+2 = "the other number"
If the sum is decreased by two, that gives
sum decreased by two = (x+4x+2) - 2 = 5x
The sum decreased by two = 25 (given)
therefore
5x = 25
x = 5
So
"one number" = 5
"another number" = 4x+2 = 4*5+2 = 22