Here's the answer you are looking for
⏩ A man has rs X from which he spend rs 6
So amount left with him = ₹ (X - 6)
⏩ twice of the money left with him is rs 86
That means, 2(X - 6) = 86
(X - 6) = 86/2 = 43
X = 43 + 6 = 49
⏩Therefore, the man had ₹49.