Răspuns :
e=4m
e-50=2(m+50)
4m-50=2m+100
2m=150
m=75 bani
e=4*75=300 bani=3lei
verific: 300-50=250=2(75+70)=2*125
e-50=2(m+50)
4m-50=2m+100
2m=150
m=75 bani
e=4*75=300 bani=3lei
verific: 300-50=250=2(75+70)=2*125
e=bani Elena
m=bani Maria
e=4m
e-50=2m
e=2m+50
4m=2m+50
2m=50
m=25 bani Maria
e=4•25=100 bani=1 leu Elena
Sper că te am ajutat.
m=bani Maria
e=4m
e-50=2m
e=2m+50
4m=2m+50
2m=50
m=25 bani Maria
e=4•25=100 bani=1 leu Elena
Sper că te am ajutat.