There are two farmers, and both have sheeps. The first says to the second..........How many sheeps does each farmer has?

Question

There are two farmers, and both have sheeps.
The first says to the second:
-If you give one sheep, we'll have the same quantity of sheeps.

And the second one says:
- No, if you give one sheep of yours, I'll have the double of sheeps than you.

How many sheeps does each farmer has?

Answer 1

3 and 5

first-x, second- y
y-1=x+1
y+1=2x

x=3, y=5