6*a=-19.8
-7*a-8*b=21.2
2*a-9*b=35.7
5*a-6*b-9*c=-8.9
-2*a+3*b+6*c=7.1
-5*a-2*b-2*c=-19.4
8*a-5*b-2*c-6*d=83.4
7*a-6*b+4*c+3*d=124.3
-7*a-3*b-2*c+6*d=-12
-6*a-8*b-2*c+7*d=39.3
6*a+9*b+9*c-2*d+9*e=-124.9
4*a-5*b+9*c+9*d+6*e=-32.7
-7*a+3*b-5*c+5*d-3*e=22.7
6*a-2*b+8*c-5*d-5*e=15.6
4*a+6*b+6*c-7*d+3*e=-60.6
