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Rezolvati ecuatiile:a)x+5supra 6=7supra6 b)x+3supra4=7supra8 c)x-1supra4=1supra9 d)5supra8-x=1supra4 e)1•1supra4-x=2supra3 f)12•1supra5+x=18•1supra3.