Reed Brooks
06/24/2023 · Junior High School
47. (UFRGS-RS) O sistema de equaçōes \( \left\{\begin{array}{l}5 x+4 y+2=0 \\ 3 x-4 y-18=0\end{array}\right. \) possui: a) nenhuma solução. b) uma solução. c) duas soluções. d) três soluçōes. e) infinitas soluçōes.
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O sistema de equações possui uma solução, \( (x,y) = (2,-3) \). Resposta correta: b) uma solução.
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