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	<title>Professores Online &#187; Hugo94</title>
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		<title>Sistemas lineares e equações de 1 grau</title>
		<link>http://www.professoronline.net/sistemas-lineares-e-equacoes-de-1-grau/</link>
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		<pubDate>Sun, 25 Jan 2015 22:22:10 +0000</pubDate>
		<dc:creator><![CDATA[Hugo94]]></dc:creator>
				<category><![CDATA[Matemática]]></category>
		<category><![CDATA[1]]></category>
		<category><![CDATA[de]]></category>
		<category><![CDATA[e]]></category>
		<category><![CDATA[equaçoes]]></category>
		<category><![CDATA[grau]]></category>
		<category><![CDATA[lineares]]></category>
		<category><![CDATA[sistemas]]></category>

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		<description><![CDATA[Posso resolver sistemas lineares por metodo da adição???Por exemplo x+2y+z=8 2x-y+z=3 3x+y-z=2 Preciso da resposta vou prestar concurso e estou com muitas duvidas&#8230;procurei por respostas no you tube, brasil escola, info escola, e não encontrei!!!]]></description>
				<content:encoded><![CDATA[<p>Posso resolver sistemas lineares por metodo da adição???Por exemplo x+2y+z=8<br />
                        2x-y+z=3<br />
                        3x+y-z=2<br />
Preciso da resposta vou prestar concurso e estou com muitas duvidas&#8230;procurei por respostas no you tube, brasil escola, info escola, e não encontrei!!!</p>
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