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rezolvati in R ecuatia
15-x supra 6 - 2 x+16 supra 5=1


Răspuns :

(15-x)/6-(2x+16)/5=1  nmc=30

(75-5x-12x-96)/30=1
(-21-17x)/30=1
-21-17x=30*1
-17x=30+21
-x=51/17
-x=3(-1)
x=-3