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

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

Algebra.Com

Question 27839: Using a graph to solve linear system. -x + y = 4
x + y = 4
Answer by bmauger(101) (Show Source): You can put this solution on YOUR website!
Solve both for y and then graph:

So the answer is (0, 4) or x=0, y=4.
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