Question: D Listen In a graph, there are 31 edges, 3 vertices of degree 2, and all the other vertices have degree 4. How many vertices

D Listen In a graph, there are 31 edges, 3 vertices

of degree 2, and all the other vertices have degree 4. How

D Listen In a graph, there are 31 edges, 3 vertices of degree 2, and all the other vertices have degree 4. How many vertices are in the graph

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