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5*(x-2,6)+2*(x+2,4)=3*(x-1,7)
Va rog ajutatima!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


Răspuns :

5x -13+ 2x +4.8 =3x -5.1 7x - 8.2 =3x -5.1 7x -3x = -5.1 +8.2 4x =3.1 x = 0.775