Brain Out Level 77 Answer
Tap and Swipe on the green 3, it would make a copy of it and make it look like an 8.

Brain Out Level 77 Walkthrough
On this post, you are given the answers and walkthrough of the Brain Out Level 77 a simple question! Make the following equation hold.
Brain out is a free tricky puzzle game in which you have to use your intelligence to solve the levels. This game is a good way to increase and improve your strategy and logic skills. Throughout the game, you are challenged with levels that duels with your memory, calculation, reaction time, attention and many other skills.
Brain Out Level 77 Video Walkthrough
If you read the answer and couldn’t find out how to solve it. Here is a video walkthrough of the level :