On considère l'égalité 5a + 6 = 7a- 2 l'égalité est vrai pour a – InterviewSolution

1.	On considère l'égalité 5a + 6 = 7a- 2 l'égalité est vrai pour a=4l'égalité est vrai pour a=2est-ce que les 2 ont juste ? justifie en respectant la méthode ?
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