Think of a number, double it, add 10, halve the result and subtract the number you first thought of. The answer is always
Tap an answer to check.
Show the answer
Answer: B. 5
(2x + 10)/2 − x = x + 5 − x = 5.
Tap an answer to check.
Answer: B. 5
(2x + 10)/2 − x = x + 5 − x = 5.