Diane is playing poker with her friends and is not having very good luck. She starts with $100 and wins 5 hands for a total of $65 dollars to add to her $100. Emboldened, she begins betting bigger and riskier and ends up losing all her money and owing her friends $50. How much money did Diane lose in all?
Please reason step by step, and put your final answer within \boxed{}.
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