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Mathematics, 15.10.2019 21:00 MidnightAIY179

Um motorista quer fazer uma viagem de 780km em duas etapas, de modo que na primeira etapa percorra 60km a mais que na segunda. quantos quilometros ele devera percorrer em cada etapa? ( sistema de equação do 1 grau com uma incognita pelo método de substituição.)

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Um motorista quer fazer uma viagem de 780km em duas etapas, de modo que na primeira etapa percorra 6...
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