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OpenStudy (anonymous):
Solve 2x + y = 7 x – y = –4 Answers: A (–1, –5) B (1, –5) C (1, 5) D (–1, 5)
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OpenStudy (anonymous):
-y and + removes itsself We have 3x=3 x=1 put 1 into equation you will find y=5 then it's C
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
yw
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