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Rezolvati ecuatia :
27-3(2x+3)= 2(1-3x)


Răspuns :

27-3(2x+3)=2(1-3x)
27-6x+9=2-6x
-6x+6x=2-27
x=-25
27-6x+9=2-6x
36=2
imposibil