Answer:
The answer is : True
Step-by-step explanation:
In graph theory, the degree of a vertex of a graph is the number of edges that are incident on the vertex, and in a multigraph, loops are counted twice.
Create a a system of 2 equations: 2x + y = 27 and 2y + x = 9, with x being the first number and y being the second. solve for the two variables and you'll get the first number is 15 and the second is -3.