a+b+c=8,324
a=2b
c=b+386
2b+b+b+386=8324 => 3b=8,324-386 => b=7,938:4=1,984.5
a=2*1,984.5=3,969
c=1,984.5+386=2,370.5
Verificare: 1984.5+3,969+2,370.5=8,324
Raspuns:a=3,969.5; b=1,984.5; c=2,370.5
Sper ca te-am ajutat!
