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Vášek went on a trip, and since he had little money, he lent Lukáš the same amount he had. When he spent 40 crowns, he again borrowed from Adam the same amount as he had in his wallet. When he spent 40 crowns again, he was completely penniless. What amount did he have in his wallet at the beginning?

Correct answer:

x =  30

Step-by-step explanation:


x+x-40+(x+x-40)-40 = 0

4x = 120


x = 120/4 = 30

x = 30

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