200-(64+12a+44)=(50-48+65-45)
200-(12a+108)=2·22
12a+108=200-44
12a=156
12a=156-108
12a=48
a=48:12
a=4
Sper sa fie bine
sper ca te am ajutat Bafta
Răspuns:
200-(64+Ax 12-4x11)=(50-24x2+15x5
200-(64+ax12-44)=50-48+75
200-(64+ax12-44)=77
64+ax12-44=200-77=123
64+ax12=123+44=167
ax12=167-64=103
a=103:12
Explicație pas cu pas:
