find the value of a, b, and c please see the picture po need kona po kasi thanks in advance

Answer:
1) a=1 b= -3 c= -8
2) a= -3 b=2 c= -9
3) a=1 b=2 c= 7
4) a=9 b=7 c= -10
5) a= -5 b= -7 c=11