Răspuns :
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
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
1 lada mere...................5 lazi porto........................182kg
4 lazi mere.....................5 lazi porto........................263kg
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3 lazi mere.................................................................81kg
R: 81kg
4 lazi mere.....................5 lazi porto........................263kg
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3 lazi mere.................................................................81kg
R: 81kg