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Solucione o problema: Equação do 1 grau
Alguém poderia me ajudar neste problema :
Antônio é dono de uma gráfica e recebeu uma encomenda. Se ele imprimisse X, panfletos durante 5 dias, faltaria 2000 panfletos para entregar a encomenda. Porém, se imprimisse X+600 em 4 dias faltariam 1.700.
Agradeço desde Já. Nessa questão estou meio com dificuldade, preciso de ajuda.
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Answer #
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Answer #1
X = quantidade de panfletos impressos por dia
y = quantidade totl de panfletos a serem impressos
5x = y – 2000
(x + 600) * 4 = y – 1700
isolando x
x = (y – 2000)/5
substituindo o valor de x na segunda equação
((y – 2000)/5 + 600) * 4 = y – 1700
resolvendo a equação
(4y + 4000)/5 = y – 1700
y = 12500
substituindo y para encontrar x
5x = 12500 – 2000
x = 2100