Brain Test 4 level guide
Brain Test 4 Level 22 Walkthrough
Brain Test 4 Level 22 hides `x = 2` behind the beige classroom screen. Move the cover, solve `5 + 2`, enter 7, and confirm the answer.
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How to Solve Brain Test 4 Level 22 — Full Solution
- Drag the beige screen away from the upper chalkboard.
- Read the newly exposed clue `x = 2`.
- Replace x in `5 + x` with 2.
- Tap the number 7 on the keypad.
- Press the green check to submit it.
Common Mistakes to Avoid
- Guessing a value for x without moving the screen.
- Entering 2 instead of calculating the full sum.
- Typing 7 but forgetting the confirmation button.
Quick Tips for Brain Test 4 Level 22 (spoiler-free)
- Move the beige cover first.
- Use x = 2 in the visible equation.
- Confirm 7 with the green check.
Board notes 5 details
- Layout
- The visible chalkboard reads `5 + x = ?`, a beige screen covers its upper half, and a number pad with a green check sits below the girl and Doctor Worry.
- Goal
- Reveal x, calculate the sum, and submit 7.
- Opening
- Move the beige cover away from the upper chalkboard to expose `x = 2`.
- Danger Zone
- Guessing without moving the cover ignores the explicit value hidden above the equation.
- Mechanics
- A draggable screen conceals the missing algebra clue needed by the keypad.
Frequently Asked Questions
What is x in Brain Test 4 Level 22?
Move the beige screen to reveal that x equals 2.
What number should I enter?
Enter 7 because 5 + 2 = 7.
Why is the upper screen movable?
It hides the chalked value of x needed to solve the equation.
Does this equation appear again?
Yes. Level 49 repeats the same covered-board clue and answer.