Question 1

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Treu els denominadors (fins a parèntesis) de l'equació següent

begin mathsize 12px style fraction numerator begin bold style negative 7 end style bold space bold x bold minus begin bold style 6 end style over denominator begin bold style 16 end style end fraction bold minus fraction numerator begin bold style 1 end style bold space bold x bold plus begin bold style 3 end style over denominator begin bold style 12 end style end fraction bold equals fraction numerator begin bold style 2 end style bold space bold x bold plus begin bold style 7 end style over denominator begin bold style 8 end style end fraction bold minus fraction numerator begin bold style 5 end style bold space bold x bold minus begin bold style 4 end style over denominator begin bold style 12 end style end fraction end style


Format de la resposta 1: begin mathsize 12px style fraction numerator 5 times left parenthesis 2 x plus 1 right parenthesis over denominator 50 end fraction minus fraction numerator 2 times left parenthesis x plus 3 right parenthesis over denominator 50 end fraction equals fraction numerator 10 times left parenthesis 3 x minus 1 right parenthesis over denominator 50 end fraction minus fraction numerator 2 times left parenthesis 3 x plus 4 right parenthesis over denominator 50 end fraction end style

Format de la resposta 2: 5·(2x+1)-2·(x+3)=10·(3x-1)-2·(3x+4)


NO S'HA DE RESOLDRE! Només cal treure denominadors

 
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