Evans Pierce
10/28/2023 · Primary School
A soma de dois números é 17 e a diferença entre eles é 1. Qual das alternativas abaixo representa um sistema de equações compativel com as informaçöes dadas acima? Escolha 1 resposta: (A) \( \left\{\begin{array}{l}x+y=17 \\ x+y=1\end{array}\right. \) (B) \( \left\{\begin{array}{l}x+y=1 \\ x-y=17\end{array}\right. \) (C) \( \left\{\begin{array}{l}x+y=17 \\ x-y=1\end{array}\right. \) (D) \( \left\{\begin{array}{l}x+y=17 \\ 1-y=x\end{array}\right. \) (A)
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O sistema de equações compatível é:
\[ \left\{\begin{array}{l}x + y = 17 \\ x - y = 1\end{array}\right. \]
Portanto, a resposta correta é (C).
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