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Mathematics 20 Online
OpenStudy (anonymous):

HELP PLEASE!!!! Find the common solution to the following pair of lines by graphing them on the same axes. x - y = 5 2x + y = 1 The lines intersect at (__, __).

OpenStudy (anonymous):

add them up \[x-y=5\\ 2x+y=1\] add and get \[3x=6\] making \(x=2\)

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