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OpenStudy (anonymous):
Solve the system by graphing. x-2y=8 x-2y=4
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OpenStudy (anonymous):
y=-x-4 y=-x-2 Undefined. No Solution. The lines are parallel,thus have the same slope.
OpenStudy (anonymous):
x=8+2y (8+2y)-2y=4 8=4 NNO solution
OpenStudy (anonymous):
How do you graph it then when it's undefined?
OpenStudy (anonymous):
like a regular graph.
OpenStudy (anonymous):
graph y=-x-4 then graph the other one and you will see that they are parallel
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