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Rezolva ecuatia: 2•(x+1)=2•x-5

Răspuns :

 

2•(x + 1) = 2•x - 5

2x + 2 = 2x - 5  

2x - 2x + 2 = -5

2 = -5   (FALS)

⇒ Ecuatia nu are solutii