Question 1

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Treu els parèntesis de l'equació següent i agrupa
begin mathsize 12px style begin bold style 5 end style bold left parenthesis begin bold style 30 end style bold space bold x bold minus begin bold style 33 end style bold right parenthesis bold equals begin bold style 6 end style bold left parenthesis begin bold style 11 end style bold space bold x bold plus begin bold style 6 end style bold right parenthesis bold minus begin bold style 2 end style bold left parenthesis begin bold style 27 end style bold space bold x bold minus begin bold style 7 end style bold right parenthesis end style

Format de la resposta: 3x + 6 = 11x - 9
NO S'HA DE RESOLDRE! Cal treure parèntesis i AGRUPAR

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