5. There were a total of 60 birds on three trees. After some time, 6 birds flew away from the first tree, 8 birds flew away from the second tree, and 4 birds flew away from the third tree. Then, the same number of birds remained on each tree. How many birds were there on each tree at the beginning?

## Tasks worth 10 points:
First solution.

A total of $6+8+4=18$ birds flew away from all three trees. 1 POINT

There are $60-18=42$ birds left on the trees. $\quad 1$ POINT

Since an equal number of birds remained on each of the three trees, it follows that there are $42: 3=14$ birds left on each tree.

$1 \text{POINT}$

Thus, there were $14+6=20$ birds on the first tree, 1 POINT on the second tree $14+8=22$ birds, 1 POINT

and on the third tree there were $14+4=18$ birds. 1 POINT

TOTAL 6 POINTS