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Va rog am nevoie
Rezolvati in multimea N ecuatia
2+6ori(5x-1)=14


Răspuns :

6×(5x-1)=14-2
6×(5x-1)=12
5×-1=12÷6
5x-1=2
5x=2+1
5x=3
x=3÷5
x nu are soluție naturală.
2+6 (5x-1)=14| -2 => 6 (5x-1)=12| ÷6 => 5x-1=2| +1 => 5x=3