Репост из: Google Facts™ [ ️@googlefactss🌎]
You can take any number, double it, add 10, divide by 2, and subtract the original amount, and always end up with 5. "After doubling x, you have 2x; add 10 and it becomes 2x + 10. Then divide by 2 and it becomes x + 5. After subtracting the original number x, you have 5." @googlefactss #knowledge