standard form is ax+by=c
6y=x+5
minus x both side
6y-x=x-x+5
-x+6y=0+5
-x+6y=5
answer is 3rd option
-12 +4 = -8.
-12, -11 (+1), -10 (+2), -9 (+3), -8(+4).
Hope this helps.