Brain Test 4 Level 89
What equals 22+x+y
1) The answer is hidden in the formula. 2) Question mark is the answer.

Follow the screen sequence
Use the images as a compact replay of the solving path. The text below each frame explains what should change.

Video walkthrough
Same number in other versions
Brain Test versions can reuse the same level number with a different puzzle. If the screenshot or question does not match your game, switch to the same number in another version or use the nearby level links.
Strategy guide
- 1.Focus on the formula itself - the answer is hidden within it, not through calculation;
- 2.Notice the question mark is mentioned in the answer - it's part of the solution;
- 3.Read the entire question carefully, including the answer hints provided.
Common mistakes
- 1.Trying to solve the math equation literally by calculating 22+x+y;
- 2.Looking for numerical values in the background or characters instead of the formula;
- 3.Ignoring the question mark in the answer hint and searching elsewhere.
Related levels

We must fix my car
We must fix my car

I mustn't let her do a good shot
I mustn't let her do a good shot

Now I must do the winning shot
Now I must do the winning shot

Granny Amy is forcing Uncle Bubba to run on the treadmill, help him
Granny Amy is forcing Uncle Bubba to run on the treadmill, help him

Jenny must score a goal
Jenny must score a goal

I can't break this walnut's shell
I can't break this walnut's shell

How many marbles does Tiki have
How many marbles does Tiki have

Oh no! Jenny's parachute is not working
Oh no! Jenny's parachute is not working