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Rezolvati in Z ecuatia : 2(x-8)+4=-6

Răspuns :

2x-16=-10
2x=6
x=3 coroana ?
[tex]2(x-8)+4=-6 \\ 2x-16+4=-6 \\ 2x-12=-6 \\ 2x=-6+12 \\ 2x=6 \\ x=3 \in N[/tex]