Răspuns :
a+b=60
b=5×a
a+5a=60( inlocuiesti in suma)=>6a=60=>a=10, b=10×5=>b=50
Veificam:a+b=60=>10+50=60
b=5×a
a+5a=60( inlocuiesti in suma)=>6a=60=>a=10, b=10×5=>b=50
Veificam:a+b=60=>10+50=60