by Serhiy Grabarchuk Jr

Solution Step 0/0

The equation with Roman numerals is not quite correct.

It is enough to move two matchsticks to reach a correct equation.

What are those two matchsticks? Note: though there is a matchstick overlapping in initial position (number X), any new overlapping is not allowed.

The solution is shown in the diagram.

Check 1 horizontal & 1 vertical

Check 1 inclined & 1 vertical

Check 2 horizontal

Check 2 inclined