Răspunsuri

2014-01-11T21:11:14+02:00
A+b+c=986
a-2=b => a=b+2
c/b=2 => b=c/2

inlocuim in prima ecuatie
c/2+2+c/2+c= 986 ( aducem la acelasi numitor si il eliminam , inmultind cu 2)
c + 4 + c + 2c = 1972
4 c = 1968
c = 492 
a = 492/2 - 2 =246
b = 248
  • Utilizator Brainly
2014-01-11T22:09:00+02:00
A+b+c=986 ; a-2=b => a=b+2 ; c:b=2 => b=c:2 ; c:2+2+c:2+c= 986 ; c + 4 + c + 2c = 1972 ;  c = 1968c = 492  ; a = 492:2 - 2 =246 ; b = 248