Anna put some coins on the table.
One half of them were tails up.
Anna turned over two of the coins, and then one third of them were tails up.
How many coins did Anna put on the table?
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let the number of coin be x
(x ÷ 2) - 2 = x ÷ 3
3(x ÷ 2) - 6 = x
3x ÷ 2 = x + 6
3x = 2x + 12
x = 12
There were 12 coins on the table