SOLUTION: solve the equation by graphing x+y=7 y-x=7

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Question 460871: solve the equation by graphing x+y=7 y-x=7
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
+graph%28+300%2C+300%2C+-6%2C+5%2C+-1%2C+10%2C+7-x%2C+7%2Bx%29+
Point (0,7)
system%28x=0%2Cy=7%29 the soluotion of the system
Check
system%280%2B7=7%2C7-0=7%29
system%287=7%2C7=7%29 correct