This viral matchstick riddle shows an incorrect math equation that it takes moving only one matchstick to fix — and there are two ways to do it.
You can either remove a matchstick from the addition sign and turn the six into an eight (8 - 4 = 4) or move a matchstick from the six to make it a zero (0 + 4 = 4).
You can watch MindYourDecisions' full explanation on YouTube here.
This, Ladies and gentleman, this is the reason why smart people can pretend to be stupid, but stupid people can never successfully pretend to be smart.
PS: the person that made the image did not understood the riddle.