Daily Brain Games (Feb 22) - how witty are you?

Let's imagine that you have a special scales that you have to "balance" with numbers. (Same way as if these numbers were different weights, but this time let's consider the scale-beams and the suspension ropes weightless.)

For example, ​this scales is balanced with numbers from 1 to 5, and you can see that you cannot use the same number twice:

Here is a more difficult structure. Can you balance it using numbers from 1 to 9? (Again, you can use each number only once.)