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OpenStudy (anonymous):
What is the solution of the following system? {-2x-y=1 {-4x-2y=-1
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OpenStudy (anonymous):
you can make it 2x+y=-1 and 4x+2y=1
OpenStudy (anonymous):
then if you add them, it makes 6x+3y=0
OpenStudy (anonymous):
divide both sides by 3 to make it 2x+y=0
OpenStudy (anonymous):
wait scratch that
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