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Mathematics 7 Online
OpenStudy (anonymous):

4-1). Solve the following system of linear equations by graphing. x+y=8 x-y=6 what is x? what is y?

OpenStudy (anonymous):

http://www.wolframalpha.com/input/?i=solve+x%2By%3D8+and+x-y%3D6 that shows it using the graph

OpenStudy (anonymous):

2x = 14 x = 7 y=1

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