Can you move a single matchstick to form a valid mathematical statement equation?
No sticks can be discarded, an isolated slanted stick cannot be interpreted as I (one), and a V (five) symbol must always be composed of two slanted sticks. UPDATE: The only valid symbols are Roman numerals and "+", "-" and "=".
If you have trouble with this puzzle, fear not - it means your frontal lobe is probably intact! Healthy adults are frequently outperformed by patients with frontal brain damage on this test.
Just refer to the source below for the solution.
SOURCE