http://aprovadonovestibular.com/equacao-de-primeiro-grau-achar-resposta-de-exercicios.html Vestibular, Enem, Exercícios, Matemática, Resumo, Resposta Fri, 10 Feb 2012 22:46:01 +0000 hourly 1 http://wordpress.org/?v=3.2.1 http://aprovadonovestibular.com/equacao-de-primeiro-grau-achar-resposta-de-exercicios.html/comment-page-7#comment-23799 vanessa hudgens Thu, 09 Feb 2012 18:21:19 +0000 http://aprovadonovestibular.com/?p=306#comment-23799 ai painho ai ai painho ai painho ai ai painho

]]> http://aprovadonovestibular.com/equacao-de-primeiro-grau-achar-resposta-de-exercicios.html/comment-page-7#comment-23426 nana castro Fri, 13 Jan 2012 20:09:36 +0000 http://aprovadonovestibular.com/?p=306#comment-23426 17x+40=21x 17x-21x=-40 -4x=-40.(-1) 4x=40 x=40/4 x=10 17x+40=21x
17x-21x=-40
-4x=-40.(-1)
4x=40
x=40/4
x=10

]]> http://aprovadonovestibular.com/equacao-de-primeiro-grau-achar-resposta-de-exercicios.html/comment-page-7#comment-23425 nana castro Fri, 13 Jan 2012 19:16:37 +0000 http://aprovadonovestibular.com/?p=306#comment-23425 x=20-y 2.20-y+6y=322.20-5y=32 5y=32-2/20 5y=32-10 5y=-22 y=-22/5 y=-4,4 x=20-y
2.20-y+6y=322.20-5y=32
5y=32-2/20
5y=32-10
5y=-22
y=-22/5
y=-4,4

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