Răspunsuri

2013-12-30T16:37:59+02:00
a-b=600
a:4=50+b:3
(acum inlocuim)
(50+b:3)·4-b=600
(50+b:3)·4=600-b
50+b:3=(600-b)·4
a=(600-b)·4
a:4=600-b
(daca poti, mai vezi tu rezolvarea...)

1 5 1
  • Utilizator Brainly
2013-12-30T17:01:25+02:00
X-y=600
x/4=50+y/3
4(50+y/3)-y=600
200+4y/3-y=600
4y/3-y=400
y/3=400
y=400/3=133,(3)
x=733,(3)
Bafta!