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OpenStudy (anonymous):
use the substitution method. d + e = 2 d - e = 4
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OpenStudy (anonymous):
use the 2nd eq so d=4+e now use this in the 1st eq 4+e+e=2 4+2e=2 2e=-2 e=-1 now use this value in either eq to get d=3 Answer is (3, –1).
OpenStudy (anonymous):
i think so..
OpenStudy (anonymous):
was i correct
OpenStudy (anonymous):
yeah..
OpenStudy (anonymous):
cool
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