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Mathematics, 05.06.2021 22:50 arturomarquezjox3wxn
Ao somar as idades de Pedro e João, descobrirmos que o resultado é igual a 26. Se subtraímos as idades, o resultado é 6. Pedro, tendo conhecimento sobre Sistemas de Equações, descobriu que esse problema pode ser resolvido por {x + y =20 {x - y =6 . Ao resolver esse sistema podemos afirmar que as idades deles são: A) 12 e 8 B) 11 e 9 C) 13 e 7 D) 14 e 6 #URGENT!!
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Ao somar as idades de Pedro e João, descobrirmos que o resultado é igual a 26. Se subtraímos as idad...
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