Question 1

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Resol l'equació: 

begin mathsize 12px style begin bold style negative 6 end style bold left parenthesis begin bold style 44 end style bold space bold x bold minus begin bold style 39 end style bold right parenthesis bold plus begin bold style 3 end style bold left parenthesis begin bold style 12 end style bold space bold x bold plus begin bold style 21 end style bold right parenthesis bold space bold equals bold space begin bold style negative 3 end style bold left parenthesis begin bold style negative 41 end style bold space bold x bold plus begin bold style 1 end style bold right parenthesis bold plus begin bold style 6 end style bold left parenthesis begin bold style 1 end style bold space bold x bold minus begin bold style 5 end style bold right parenthesis end style

Format de la resposta: x=-3/4 SIMPLIFICADA

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