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Rezolvati in multimea numerelor naturale ecuatia 1,2x-6=6



Răspuns :

1.2x=12
x=12/1.2
x=10
S=10
10 apartine numerelor naturale
1,2x = 6 + 6
1,2x = 12
x = 12 : 1,2
x = 10