Explanation :
Move one stick from the 3rd + sign to 13, i.e. 3 becomes 9, the whole number becomes 19. So, the final equation we get is-
10 + 11 + 12 - 19 = 14.
Matchstick Image : Sloved Answer 10+11+12+13=14 Matchstick Puzzles
Matchstick Image : Answer 10+11+12+13=14 Matchstick Puzzles