Matt is comparing the cost of a fresh lobster dinner at two different restaurants. The first restaurant charges $30 for the meal, plus $1 per kilogram for the lobster he picks. At the second restaurant, Matt would pay $2 per kilogram for the lobster, in addition to $15 for the meal. Matt realizes that, in theory, dinner at both restaurants could cost the same amount if the lobster had a certain weight. What is the weight? Write a system of equations, graph them, and type the solution.

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