Răspuns :
300 - b x 8 - 109 = 47
300 - 8b = 47 + 109
300 - 8b = 156
8b = 300 - 156
8b = 144
b = 144 : 8
b = 18
300 - 8b = 47 + 109
300 - 8b = 156
8b = 300 - 156
8b = 144
b = 144 : 8
b = 18
300-b*8-109=47
300-8b=109+47
300-8b=156
8b=300-156
8b=144
b=18
Sper ca te-am ajutat! :3
300-8b=109+47
300-8b=156
8b=300-156
8b=144
b=18
Sper ca te-am ajutat! :3