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            <Attribute name="description">Une équation du premier degré peut admettre une solution unique, aucune solution ou une infinité de solutions. Si après simplification, on obtient une équation de la forme x=b, où b est un nombre réel, alors l&#39;équation admet une solution unique. Si on obtient une équation de la forme a=b, où a et b sont des nombres réels, alors l&#39;équation n&#39;a pas de solution. Enfin, si on obtient une équation de la forme b=b, où b est un nombre réel, alors l&#39;équation admet une infinité de solution.</Attribute>
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            <video:title>Le nombre de solutions d&#39;une équation du 1er degré</video:title>
            <video:description>Une équation du premier degré peut admettre une solution unique, aucune solution ou une infinité de solutions. Si après simplification, on obtient une équation de la forme x=b, où b est un nombre réel, alors l&#39;équation admet une solution unique. Si on obtient une équation de la forme a=b, où a et b sont des nombres réels, alors l&#39;équation n&#39;a pas de solution. Enfin, si on obtient une équation de la forme b=b, où b est un nombre réel, alors l&#39;équation admet une infinité de solution.</video:description>
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            <video:category>Équations impossibles ou indéterminées</video:category>
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            <Attribute name="title">Une équation qui n&#39;a pas de solution</Attribute>
            <Attribute name="description">L&#39;équation 8 (3 x + 10) = 28x - 14 - 4x .</Attribute>
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            <video:description>L&#39;équation 8 (3 x + 10) = 28x - 14 - 4x .</video:description>
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