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anonymous

  • 5 years ago

x+y=2 x-y=4 solve the system and graph

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  1. mathteacher1729
    • 5 years ago
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    Add the first equation to the second to obtain \[2x = 6\] Now you should be able to figure out what x is. :) Fro there, put x = (whatever) into the equation x + y = 2 and solve for y. You can visualize this equation by going to http://www.wolframalpha.com and typing in the equations. It will give a graph also.

  2. anonymous
    • 5 years ago
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