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OpenStudy (anonymous):
solve by elimination: 14x-8y=-28 7x+7y=-14
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OpenStudy (anonymous):
answer 21-y=-14
OpenStudy (anonymous):
sorry its 21-y=-42
OpenStudy (anonymous):
sorry, i have a mistake with sign.
OpenStudy (anonymous):
:)
OpenStudy (anonymous):
it is x=-2 and y=0.
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