SOLUTION: Using a graph to solve linear system. -x + y = 4 x + y = 4
Coordinate Systems and Linear Equations
-> SOLUTION: Using a graph to solve linear system. -x + y = 4 x + y = 4
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Using a graph to solve linear system. -x + y = 4
x + y = 4
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Solve both for y and then graph:
So the answer is (0, 4) or x=0, y=4.