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Linear Algebra
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OpenStudy (thequestion):
Solve, using the substitution method. d + e = 2 d – e = 4 A. There are an infinite number of solutions. B. The solution is (3, –1). C. There is no solution. D. The solution is (5, 1).
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OpenStudy (anonymous):
add both u will get 2d=6 d=6/2=3 now e+d=2 put d e+3=2 so substract by 3 on both sides e=-1
OpenStudy (anonymous):
answer b is correct
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