SOLUTION: Using a graph to solve linear system. -x + y = 4 x + y = 4

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Question 27839: Using a graph to solve linear system. -x + y = 4
x + y = 4
Answer by bmauger(101) About Me  (Show Source):
You can put this solution on YOUR website!
Solve both for y and then graph:
y=4%2Bx
y=4-x
+graph%28200%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C%0D%0A4%2Bx%2C+4-x%29
So the answer is (0, 4) or x=0, y=4.