In order, for row 6 it is yes, no, no, no yes, yes, no, no, no, yes, yes, no, yes For row 9 it is all no's For row 10, it is yes, no, no, no, yes, yes, no, no, no, no, no, yes, yes
The correct answer is 3) since the first equation of system B is indeed the addition of the first equation of system A and 4 times the second equation of system A.