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Rezolva ecuatia:
5x-7(x+1)=3(3-2x)
Va rog nu imi aduc aminte cum se rezolva


Răspuns :

[tex]\displaystyle 5x-7(x+1)=3(3-2x) \\ 5x-7x-7=9-6x \\ 5x-7x+6x=9+7 \\ 4x=16 \\ x= \frac{16}{4} \\ x=4[/tex]