Răspunsuri

2014-04-04T11:13:45+03:00
X-cat cantareste o lada de mere
y-cat cantareste o lada de portocale
x+5y=182
4x+5y=263  inmultim prima ecuatie cu -4 si obtinem
-4x-20y=-728  prin adunare celor 2 ecuatii obtinem
/-15y=-465
y=31  x+5*31=182          x+155=182  x=27
  • Utilizator Brainly
2014-04-04T11:16:43+03:00
1 lada mere...................5 lazi porto........................182kg
4 lazi mere.....................5 lazi porto........................263kg
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3 lazi mere.................................................................81kg

       R: 81kg