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rezolvati in multimea numerelor intregi ecuatia 4(3x-2)=8x-28

Răspuns :

12x-8=8x-28
12x-8x=-28+8
4x=-20
x=-5
4(3x-2)=8x-28
12x-8=8x-28
12x-8x=-28+8
4x=-20
x=-5

Bafta!