I am four times a number decreased by five, which equals nineteen. Find the number.
Category: Math · Difficulty: hard
Hint: Set up an algebraic equation and solve for the unknown.
Answer
A number equal to six
Explanation
If x is the number, then 4x - 5 = 19; solving yields x = 6.
This is a hard math riddle — a tricky one that takes a little thought. The answer is A number equal to six.
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