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

Răspuns :

3(x+1)=3(x+2)-3
3x+3=3x+6-3
3x-3x=3-3
0=0
3(X+1)=3(X+2)-3
3X+3=3X+6-3
3X+3=3X+3
X POATE FI ORICE NR,ESTE O ECUATIE ECHIVALENTA