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The solution set of the system of linear equations m+n =7

2m+n =10 is?​

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Pantonalviz

Answer:

Solving the equation simultaneously,

[tex]m+n=7\\ 2m+n=10\\ \\ EliminationMethod,\\ m+n=7\\-(2m+n=10)\\ \\ m+n=7\\ -2m-n=-10\\ \\ -m=-3\\ m=3\\ \\ When,m=3\\ m+n=7\\ 3+n=7\\ 3-3+n=7-3\\ n=4\\ \\ Solution:m=3,n=4[/tex]

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