Question
Valen started with some marbles at the beginning of a game. At the end of the first round of the game, he lost 6 marbles to his friend Howard but won 8 marbles from his friend Bryan. At the end of the second round, he lost 8 marbles to Bryan but won 9 marbles from Howard. In the end, Valen had 28 marbles. How many marbles did Valen have at first before the start of the game?
4 m

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Valen started with some marbles at the beginning of a game. At the end of the first round of the game, he lost 6 marbles to his friend Howard but won 8 marbles from his friend Bryan. At the end of the second round, he lost 8 marbles to Bryan but won 9 marbles from Howard. In the end, Valen had 28 marbles. How many marbles did Valen have at first before the start of the game?