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Rezolvati ecuatia :
5x +196=17·123


Răspuns :

5x+196=17ori 123
5x+196=2091
5x=2091-196
5x=1895
x=379
5x+196=17•123
5x+196=2091
5x=2091-196
5x=1895
x=1895÷5
x=379
S={379}